18473217

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{6421}}^1$

素因数の和:6568

約数の個数: 16

約数和(自身を含む): 28359552

約数和(自身を除く): 9886335

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 6421, 19263, 44947, 134841, 879677, 2639031, 6157739, 18473217]

約数ペア:

[(1, 18473217), (3, 6157739), (7, 2639031), (21, 879677), (137, 134841), (411, 44947), (959, 19263), (2877, 6421)]