18864806

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{823}}^1$

素因数の和:1055

約数の個数: 16

約数和(自身を含む): 28902624

約数和(自身を除く): 10037818

約数列:

[1, 2, 73, 146, 157, 314, 823, 1646, 11461, 22922, 60079, 120158, 129211, 258422, 9432403, 18864806]

約数ペア:

[(1, 18864806), (2, 9432403), (73, 258422), (146, 129211), (157, 120158), (314, 60079), (823, 22922), (1646, 11461)]