18317931

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 25325568

約数和(自身を除く): 7007637

約数列:

[1, 3, 31, 93, 431, 457, 1293, 1371, 13361, 14167, 40083, 42501, 196967, 590901, 6105977, 18317931]

約数ペア:

[(1, 18317931), (3, 6105977), (31, 590901), (93, 196967), (431, 42501), (457, 40083), (1293, 14167), (1371, 13361)]