18809715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 32716800

約数和(自身を除く): 13907085

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2129, 2945, 6387, 8835, 10645, 31935, 40451, 65999, 121353, 197997, 202255, 329995, 606765, 989985, 1253981, 3761943, 6269905, 18809715]

約数ペア:

[(1, 18809715), (3, 6269905), (5, 3761943), (15, 1253981), (19, 989985), (31, 606765), (57, 329995), (93, 202255), (95, 197997), (155, 121353), (285, 65999), (465, 40451), (589, 31935), (1767, 10645), (2129, 8835), (2945, 6387)]