18984172921

素因数分解:

$7^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1\times {\mathrm{44257}}^1$

素因数の和:44760

約数の個数: 16

約数和(自身を含む): 21872657664

約数和(自身を除く): 2888484743

約数列:

[1, 7, 233, 263, 1631, 1841, 44257, 61279, 309799, 428953, 10311881, 11639591, 72183167, 81477137, 2712024703, 18984172921]

約数ペア:

[(1, 18984172921), (7, 2712024703), (233, 81477137), (263, 72183167), (1631, 11639591), (1841, 10311881), (44257, 428953), (61279, 309799)]