1318790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 2730240

約数和(自身を除く): 1411450

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 631, 1045, 1262, 2090, 3155, 6310, 6941, 11989, 13882, 23978, 34705, 59945, 69410, 119890, 131879, 263758, 659395, 1318790]

約数ペア:

[(1, 1318790), (2, 659395), (5, 263758), (10, 131879), (11, 119890), (19, 69410), (22, 59945), (38, 34705), (55, 23978), (95, 13882), (110, 11989), (190, 6941), (209, 6310), (418, 3155), (631, 2090), (1045, 1262)]