18708010

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 34816320

約数和(自身を除く): 16108310

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 313, 430, 626, 695, 1390, 1565, 3130, 5977, 11954, 13459, 26918, 29885, 43507, 59770, 67295, 87014, 134590, 217535, 435070, 1870801, 3741602, 9354005, 18708010]

約数ペア:

[(1, 18708010), (2, 9354005), (5, 3741602), (10, 1870801), (43, 435070), (86, 217535), (139, 134590), (215, 87014), (278, 67295), (313, 59770), (430, 43507), (626, 29885), (695, 26918), (1390, 13459), (1565, 11954), (3130, 5977)]