19786318138

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1\times {\mathrm{79451}}^1$

素因数の和:80213

約数の個数: 16

約数和(自身を含む): 29861239680

約数和(自身を除く): 10074921542

約数列:

[1, 2, 239, 478, 521, 1042, 79451, 124519, 158902, 249038, 18988789, 37977578, 41393971, 82787942, 9893159069, 19786318138]

約数ペア:

[(1, 19786318138), (2, 9893159069), (239, 82787942), (478, 41393971), (521, 37977578), (1042, 18988789), (79451, 249038), (124519, 158902)]