18163789

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 21347712

約数和(自身を除く): 3183923

約数列:

[1, 7, 53, 173, 283, 371, 1211, 1981, 9169, 14999, 48959, 64183, 104993, 342713, 2594827, 18163789]

約数ペア:

[(1, 18163789), (7, 2594827), (53, 342713), (173, 104993), (283, 64183), (371, 48959), (1211, 14999), (1981, 9169)]