30818380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81101}}^1$

素因数の和:81129

約数の個数: 24

約数和(自身を含む): 68125680

約数和(自身を除く): 37307300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 81101, 162202, 324404, 405505, 811010, 1540919, 1622020, 3081838, 6163676, 7704595, 15409190, 30818380]

約数ペア:

[(1, 30818380), (2, 15409190), (4, 7704595), (5, 6163676), (10, 3081838), (19, 1622020), (20, 1540919), (38, 811010), (76, 405505), (95, 324404), (190, 162202), (380, 81101)]