201810913

素因数分解:

${\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 226725480

約数和(自身を除く): 24914567

約数列:

[1, 19, 29, 37, 361, 521, 551, 703, 1073, 9899, 10469, 13357, 15109, 19277, 20387, 188081, 287071, 366263, 387353, 559033, 5454349, 6958997, 10621627, 201810913]

約数ペア:

[(1, 201810913), (19, 10621627), (29, 6958997), (37, 5454349), (361, 559033), (521, 387353), (551, 366263), (703, 287071), (1073, 188081), (9899, 20387), (10469, 19277), (13357, 15109)]