18948196

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 33941376

約数和(自身を除く): 14993180

約数列:

[1, 2, 4, 71, 137, 142, 274, 284, 487, 548, 974, 1948, 9727, 19454, 34577, 38908, 66719, 69154, 133438, 138308, 266876, 4737049, 9474098, 18948196]

約数ペア:

[(1, 18948196), (2, 9474098), (4, 4737049), (71, 266876), (137, 138308), (142, 133438), (274, 69154), (284, 66719), (487, 38908), (548, 34577), (974, 19454), (1948, 9727)]