18908695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2999}}^1$

素因数の和:3114

約数の個数: 16

約数和(自身を含む): 24696000

約数和(自身を除く): 5787305

約数列:

[1, 5, 13, 65, 97, 485, 1261, 2999, 6305, 14995, 38987, 194935, 290903, 1454515, 3781739, 18908695]

約数ペア:

[(1, 18908695), (5, 3781739), (13, 1454515), (65, 290903), (97, 194935), (485, 38987), (1261, 14995), (2999, 6305)]