18818962

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:1053

約数の個数: 16

約数和(自身を含む): 28832472

約数和(自身を除く): 10013510

約数列:

[1, 2, 73, 146, 157, 314, 821, 1642, 11461, 22922, 59933, 119866, 128897, 257794, 9409481, 18818962]

約数ペア:

[(1, 18818962), (2, 9409481), (73, 257794), (146, 128897), (157, 119866), (314, 59933), (821, 22922), (1642, 11461)]