18972902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{25163}}^1$

素因数の和:25207

約数の個数: 16

約数和(自身を含む): 31706640

約数和(自身を除く): 12733738

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 25163, 50326, 327119, 654238, 729727, 1459454, 9486451, 18972902]

約数ペア:

[(1, 18972902), (2, 9486451), (13, 1459454), (26, 729727), (29, 654238), (58, 327119), (377, 50326), (754, 25163)]