1917492016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{640873}}^1$

素因数の和:640909

約数の個数: 40

約数和(自身を含む): 4291292304

約数和(自身を除く): 2373800288

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 640873, 1281746, 2563492, 5126984, 7049603, 10253968, 10894841, 14099206, 21789682, 28198412, 43579364, 56396824, 87158728, 112793648, 119843251, 174317456, 239686502, 479373004, 958746008, 1917492016]

約数ペア:

[(1, 1917492016), (2, 958746008), (4, 479373004), (8, 239686502), (11, 174317456), (16, 119843251), (17, 112793648), (22, 87158728), (34, 56396824), (44, 43579364), (68, 28198412), (88, 21789682), (136, 14099206), (176, 10894841), (187, 10253968), (272, 7049603), (374, 5126984), (748, 2563492), (1496, 1281746), (2992, 640873)]