18710713

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1511}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 3787847

約数列:

[1, 7, 29, 61, 203, 427, 1511, 1769, 10577, 12383, 43819, 92171, 306733, 645197, 2672959, 18710713]

約数ペア:

[(1, 18710713), (7, 2672959), (29, 645197), (61, 306733), (203, 92171), (427, 43819), (1511, 12383), (1769, 10577)]