19951268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1621}}^1$

素因数の和:1823

約数の個数: 24

約数和(自身を含む): 37195704

約数和(自身を除く): 17244436

約数列:

[1, 2, 4, 17, 34, 68, 181, 362, 724, 1621, 3077, 3242, 6154, 6484, 12308, 27557, 55114, 110228, 293401, 586802, 1173604, 4987817, 9975634, 19951268]

約数ペア:

[(1, 19951268), (2, 9975634), (4, 4987817), (17, 1173604), (34, 586802), (68, 293401), (181, 110228), (362, 55114), (724, 27557), (1621, 12308), (3077, 6484), (3242, 6154)]