19972216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3109}}^1$

素因数の和:3199

約数の個数: 32

約数和(自身を含む): 41425200

約数和(自身を除く): 21452984

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3109, 3212, 6218, 6424, 12436, 24872, 34199, 68398, 136796, 226957, 273592, 453914, 907828, 1815656, 2496527, 4993054, 9986108, 19972216]

約数ペア:

[(1, 19972216), (2, 9986108), (4, 4993054), (8, 2496527), (11, 1815656), (22, 907828), (44, 453914), (73, 273592), (88, 226957), (146, 136796), (292, 68398), (584, 34199), (803, 24872), (1606, 12436), (3109, 6424), (3212, 6218)]