18444979

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 21745152

約数和(自身を除く): 3300173

約数列:

[1, 7, 43, 233, 263, 301, 1631, 1841, 10019, 11309, 61279, 70133, 79163, 428953, 2634997, 18444979]

約数ペア:

[(1, 18444979), (7, 2634997), (43, 428953), (233, 79163), (263, 70133), (301, 61279), (1631, 11309), (1841, 10019)]