18972816

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23251}}^1$

素因数の和:23279

約数の個数: 40

約数和(自身を含む): 51898464

約数和(自身を除く): 32925648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 23251, 46502, 69753, 93004, 139506, 186008, 279012, 372016, 395267, 558024, 790534, 1116048, 1185801, 1581068, 2371602, 3162136, 4743204, 6324272, 9486408, 18972816]

約数ペア:

[(1, 18972816), (2, 9486408), (3, 6324272), (4, 4743204), (6, 3162136), (8, 2371602), (12, 1581068), (16, 1185801), (17, 1116048), (24, 790534), (34, 558024), (48, 395267), (51, 372016), (68, 279012), (102, 186008), (136, 139506), (204, 93004), (272, 69753), (408, 46502), (816, 23251)]