18911376

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{11939}}^1$

素因数の和:11964

約数の個数: 60

約数和(自身を含む): 57741840

約数和(自身を除く): 38830464

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 11939, 23878, 35817, 47756, 71634, 95512, 107451, 131329, 143268, 191024, 214902, 262658, 286536, 393987, 429804, 525316, 573072, 787974, 859608, 1050632, 1181961, 1575948, 1719216, 2101264, 2363922, 3151896, 4727844, 6303792, 9455688, 18911376]

約数ペア:

[(1, 18911376), (2, 9455688), (3, 6303792), (4, 4727844), (6, 3151896), (8, 2363922), (9, 2101264), (11, 1719216), (12, 1575948), (16, 1181961), (18, 1050632), (22, 859608), (24, 787974), (33, 573072), (36, 525316), (44, 429804), (48, 393987), (66, 286536), (72, 262658), (88, 214902), (99, 191024), (132, 143268), (144, 131329), (176, 107451), (198, 95512), (264, 71634), (396, 47756), (528, 35817), (792, 23878), (1584, 11939)]