19782828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1095

約数の個数: 72

約数和(自身を含む): 55220256

約数和(自身を除く): 35437428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1031, 1066, 1476, 1599, 2062, 2132, 3093, 3198, 4124, 4797, 6186, 6396, 9279, 9594, 12372, 13403, 18558, 19188, 26806, 37116, 40209, 42271, 53612, 80418, 84542, 120627, 126813, 160836, 169084, 241254, 253626, 380439, 482508, 507252, 549523, 760878, 1099046, 1521756, 1648569, 2198092, 3297138, 4945707, 6594276, 9891414, 19782828]

約数ペア:

[(1, 19782828), (2, 9891414), (3, 6594276), (4, 4945707), (6, 3297138), (9, 2198092), (12, 1648569), (13, 1521756), (18, 1099046), (26, 760878), (36, 549523), (39, 507252), (41, 482508), (52, 380439), (78, 253626), (82, 241254), (117, 169084), (123, 160836), (156, 126813), (164, 120627), (234, 84542), (246, 80418), (369, 53612), (468, 42271), (492, 40209), (533, 37116), (738, 26806), (1031, 19188), (1066, 18558), (1476, 13403), (1599, 12372), (2062, 9594), (2132, 9279), (3093, 6396), (3198, 6186), (4124, 4797)]