19995111486

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:579

約数の個数: 192

約数和(自身を含む): 51802208640

約数和(自身を除く): 31807097154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 89, 123, 126, 157, 178, 246, 267, 277, 287, 314, 369, 471, 534, 554, 574, 623, 738, 801, 831, 861, 942, 1099, 1246, 1413, 1602, 1662, 1722, 1869, 1939, 2198, 2493, 2583, 2826, 3297, 3649, 3738, 3878, 4986, 5166, 5607, 5817, 6437, 6594, 7298, 9891, 10947, 11214, 11357, 11634, 12874, 13973, 17451, 19311, 19782, 21894, 22714, 24653, 25543, 27946, 32841, 34071, 34902, 38622, 41919, 43489, 45059, 49306, 51086, 57933, 65682, 68142, 73959, 76629, 79499, 83838, 86978, 90118, 97811, 102213, 115866, 125757, 130467, 135177, 147918, 153258, 158998, 172571, 195622, 204426, 221877, 229887, 238497, 251514, 260934, 270354, 293433, 304423, 345142, 391401, 405531, 443754, 459774, 476994, 517713, 572893, 586866, 608846, 715491, 782802, 811062, 880299, 913269, 1010773, 1035426, 1145786, 1430982, 1553139, 1718679, 1760598, 1783049, 1826538, 2021546, 2739807, 3032319, 3106278, 3437358, 3566098, 3870521, 4010251, 5156037, 5349147, 5479614, 6064638, 7075411, 7741042, 8020502, 9096957, 10312074, 10698294, 11611563, 12030753, 12481343, 14150822, 16047441, 18193914, 21226233, 23223126, 24061506, 24962686, 27093647, 32094882, 34834689, 36092259, 37444029, 42452466, 54187294, 63678699, 69669378, 72184518, 74888058, 81280941, 112332087, 127357398, 158691361, 162561882, 224664174, 243842823, 317382722, 476074083, 487685646, 952148166, 1110839527, 1428222249, 2221679054, 2856444498, 3332518581, 6665037162, 9997555743, 19995111486]

約数ペア:

[(1, 19995111486), (2, 9997555743), (3, 6665037162), (6, 3332518581), (7, 2856444498), (9, 2221679054), (14, 1428222249), (18, 1110839527), (21, 952148166), (41, 487685646), (42, 476074083), (63, 317382722), (82, 243842823), (89, 224664174), (123, 162561882), (126, 158691361), (157, 127357398), (178, 112332087), (246, 81280941), (267, 74888058), (277, 72184518), (287, 69669378), (314, 63678699), (369, 54187294), (471, 42452466), (534, 37444029), (554, 36092259), (574, 34834689), (623, 32094882), (738, 27093647), (801, 24962686), (831, 24061506), (861, 23223126), (942, 21226233), (1099, 18193914), (1246, 16047441), (1413, 14150822), (1602, 12481343), (1662, 12030753), (1722, 11611563), (1869, 10698294), (1939, 10312074), (2198, 9096957), (2493, 8020502), (2583, 7741042), (2826, 7075411), (3297, 6064638), (3649, 5479614), (3738, 5349147), (3878, 5156037), (4986, 4010251), (5166, 3870521), (5607, 3566098), (5817, 3437358), (6437, 3106278), (6594, 3032319), (7298, 2739807), (9891, 2021546), (10947, 1826538), (11214, 1783049), (11357, 1760598), (11634, 1718679), (12874, 1553139), (13973, 1430982), (17451, 1145786), (19311, 1035426), (19782, 1010773), (21894, 913269), (22714, 880299), (24653, 811062), (25543, 782802), (27946, 715491), (32841, 608846), (34071, 586866), (34902, 572893), (38622, 517713), (41919, 476994), (43489, 459774), (45059, 443754), (49306, 405531), (51086, 391401), (57933, 345142), (65682, 304423), (68142, 293433), (73959, 270354), (76629, 260934), (79499, 251514), (83838, 238497), (86978, 229887), (90118, 221877), (97811, 204426), (102213, 195622), (115866, 172571), (125757, 158998), (130467, 153258), (135177, 147918)]