18715918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1123}}^1$

素因数の和:1779

約数の個数: 16

約数和(自身を含む): 30307536

約数和(自身を除く): 11591618

約数列:

[1, 2, 13, 26, 641, 1123, 1282, 2246, 8333, 14599, 16666, 29198, 719843, 1439686, 9357959, 18715918]

約数ペア:

[(1, 18715918), (2, 9357959), (13, 1439686), (26, 719843), (641, 29198), (1123, 16666), (1282, 14599), (2246, 8333)]