18641095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19937}}^1$

素因数の和:19970

約数の個数: 16

約数和(自身を含む): 25839648

約数和(自身を除く): 7198553

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 19937, 99685, 219307, 338929, 1096535, 1694645, 3728219, 18641095]

約数ペア:

[(1, 18641095), (5, 3728219), (11, 1694645), (17, 1096535), (55, 338929), (85, 219307), (187, 99685), (935, 19937)]