19965352

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11941}}^1$

素因数の和:11977

約数の個数: 32

約数和(自身を含む): 42991200

約数和(自身を除く): 23025848

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11941, 23882, 47764, 95528, 131351, 226879, 262702, 453758, 525404, 907516, 1050808, 1815032, 2495669, 4991338, 9982676, 19965352]

約数ペア:

[(1, 19965352), (2, 9982676), (4, 4991338), (8, 2495669), (11, 1815032), (19, 1050808), (22, 907516), (38, 525404), (44, 453758), (76, 262702), (88, 226879), (152, 131351), (209, 95528), (418, 47764), (836, 23882), (1672, 11941)]