19654866

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 56678400

約数和(自身を除く): 37023534

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 29, 33, 42, 54, 58, 63, 66, 77, 87, 99, 126, 154, 163, 174, 189, 198, 203, 231, 261, 297, 319, 326, 378, 406, 462, 489, 522, 594, 609, 638, 693, 783, 957, 978, 1141, 1218, 1386, 1467, 1566, 1793, 1827, 1914, 2079, 2233, 2282, 2871, 2934, 3423, 3586, 3654, 4158, 4401, 4466, 4727, 5379, 5481, 5742, 6699, 6846, 8613, 8802, 9454, 10269, 10758, 10962, 12551, 13398, 14181, 16137, 17226, 20097, 20538, 25102, 28362, 30807, 32274, 33089, 37653, 40194, 42543, 48411, 51997, 60291, 61614, 66178, 75306, 85086, 96822, 99267, 103994, 112959, 120582, 127629, 155991, 198534, 225918, 255258, 297801, 311982, 338877, 363979, 467973, 595602, 677754, 727958, 893403, 935946, 1091937, 1403919, 1786806, 2183874, 2807838, 3275811, 6551622, 9827433, 19654866]

約数ペア:

[(1, 19654866), (2, 9827433), (3, 6551622), (6, 3275811), (7, 2807838), (9, 2183874), (11, 1786806), (14, 1403919), (18, 1091937), (21, 935946), (22, 893403), (27, 727958), (29, 677754), (33, 595602), (42, 467973), (54, 363979), (58, 338877), (63, 311982), (66, 297801), (77, 255258), (87, 225918), (99, 198534), (126, 155991), (154, 127629), (163, 120582), (174, 112959), (189, 103994), (198, 99267), (203, 96822), (231, 85086), (261, 75306), (297, 66178), (319, 61614), (326, 60291), (378, 51997), (406, 48411), (462, 42543), (489, 40194), (522, 37653), (594, 33089), (609, 32274), (638, 30807), (693, 28362), (783, 25102), (957, 20538), (978, 20097), (1141, 17226), (1218, 16137), (1386, 14181), (1467, 13398), (1566, 12551), (1793, 10962), (1827, 10758), (1914, 10269), (2079, 9454), (2233, 8802), (2282, 8613), (2871, 6846), (2934, 6699), (3423, 5742), (3586, 5481), (3654, 5379), (4158, 4727), (4401, 4466)]