18868786

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21589}}^1$

素因数の和:21633

約数の個数: 16

約数和(自身を含む): 31089600

約数和(自身を除く): 12220814

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21589, 43178, 410191, 496547, 820382, 993094, 9434393, 18868786]

約数ペア:

[(1, 18868786), (2, 9434393), (19, 993094), (23, 820382), (38, 496547), (46, 410191), (437, 43178), (874, 21589)]