18734529

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 27950688

約数和(自身を除く): 9216159

約数列:

[1, 3, 11, 33, 47, 141, 257, 517, 771, 1551, 2209, 2827, 6627, 8481, 12079, 24299, 36237, 72897, 132869, 398607, 567713, 1703139, 6244843, 18734529]

約数ペア:

[(1, 18734529), (3, 6244843), (11, 1703139), (33, 567713), (47, 398607), (141, 132869), (257, 72897), (517, 36237), (771, 24299), (1551, 12079), (2209, 8481), (2827, 6627)]