19619964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 43121988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 53, 63, 78, 84, 91, 106, 113, 117, 126, 156, 159, 182, 212, 226, 234, 252, 273, 318, 339, 364, 371, 452, 468, 477, 546, 636, 678, 689, 742, 791, 819, 954, 1017, 1092, 1113, 1356, 1378, 1469, 1484, 1582, 1638, 1908, 2034, 2067, 2226, 2373, 2756, 2938, 3164, 3276, 3339, 4068, 4134, 4407, 4452, 4746, 4823, 5876, 5989, 6201, 6678, 7119, 8268, 8814, 9492, 9646, 10283, 11978, 12402, 13221, 13356, 14238, 14469, 17628, 17967, 19292, 20566, 23956, 24804, 26442, 28476, 28938, 30849, 35934, 41132, 41923, 43407, 52884, 53901, 57876, 61698, 71868, 77857, 83846, 86814, 92547, 107802, 123396, 125769, 155714, 167692, 173628, 185094, 215604, 233571, 251538, 311428, 370188, 377307, 467142, 503076, 544999, 700713, 754614, 934284, 1089998, 1401426, 1509228, 1634997, 2179996, 2802852, 3269994, 4904991, 6539988, 9809982, 19619964]

約数ペア:

[(1, 19619964), (2, 9809982), (3, 6539988), (4, 4904991), (6, 3269994), (7, 2802852), (9, 2179996), (12, 1634997), (13, 1509228), (14, 1401426), (18, 1089998), (21, 934284), (26, 754614), (28, 700713), (36, 544999), (39, 503076), (42, 467142), (52, 377307), (53, 370188), (63, 311428), (78, 251538), (84, 233571), (91, 215604), (106, 185094), (113, 173628), (117, 167692), (126, 155714), (156, 125769), (159, 123396), (182, 107802), (212, 92547), (226, 86814), (234, 83846), (252, 77857), (273, 71868), (318, 61698), (339, 57876), (364, 53901), (371, 52884), (452, 43407), (468, 41923), (477, 41132), (546, 35934), (636, 30849), (678, 28938), (689, 28476), (742, 26442), (791, 24804), (819, 23956), (954, 20566), (1017, 19292), (1092, 17967), (1113, 17628), (1356, 14469), (1378, 14238), (1469, 13356), (1484, 13221), (1582, 12402), (1638, 11978), (1908, 10283), (2034, 9646), (2067, 9492), (2226, 8814), (2373, 8268), (2756, 7119), (2938, 6678), (3164, 6201), (3276, 5989), (3339, 5876), (4068, 4823), (4134, 4746), (4407, 4452)]