19815216

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{7789}}^1$

素因数の和:7853

約数の個数: 40

約数和(自身を含む): 52161840

約数和(自身を除く): 32346624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 7789, 15578, 23367, 31156, 46734, 62312, 93468, 124624, 186936, 373872, 412817, 825634, 1238451, 1651268, 2476902, 3302536, 4953804, 6605072, 9907608, 19815216]

約数ペア:

[(1, 19815216), (2, 9907608), (3, 6605072), (4, 4953804), (6, 3302536), (8, 2476902), (12, 1651268), (16, 1238451), (24, 825634), (48, 412817), (53, 373872), (106, 186936), (159, 124624), (212, 93468), (318, 62312), (424, 46734), (636, 31156), (848, 23367), (1272, 15578), (2544, 7789)]