31149740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81973}}^1$

素因数の和:82001

約数の個数: 24

約数和(自身を含む): 68858160

約数和(自身を除く): 37708420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 81973, 163946, 327892, 409865, 819730, 1557487, 1639460, 3114974, 6229948, 7787435, 15574870, 31149740]

約数ペア:

[(1, 31149740), (2, 15574870), (4, 7787435), (5, 6229948), (10, 3114974), (19, 1639460), (20, 1557487), (38, 819730), (76, 409865), (95, 327892), (190, 163946), (380, 81973)]