18428529

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4159}}^1$

素因数の和:4380

約数の個数: 16

約数和(自身を含む): 28221440

約数和(自身を除く): 9792911

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4159, 4431, 12477, 29113, 87339, 877549, 2632647, 6142843, 18428529]

約数ペア:

[(1, 18428529), (3, 6142843), (7, 2632647), (21, 877549), (211, 87339), (633, 29113), (1477, 12477), (4159, 4431)]