18308969

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 21654528

約数和(自身を除く): 3345559

約数列:

[1, 7, 37, 223, 259, 317, 1561, 2219, 8251, 11729, 57757, 70691, 82103, 494837, 2615567, 18308969]

約数ペア:

[(1, 18308969), (7, 2615567), (37, 494837), (223, 82103), (259, 70691), (317, 57757), (1561, 11729), (2219, 8251)]