18220601

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{19571}}^1$

素因数の和:19604

約数の個数: 12

約数和(自身を含む): 22312080

約数和(自身を除く): 4091479

約数列:

[1, 7, 19, 49, 133, 931, 19571, 136997, 371849, 958979, 2602943, 18220601]

約数ペア:

[(1, 18220601), (7, 2602943), (19, 958979), (49, 371849), (133, 136997), (931, 19571)]