18515768765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{54269}}^1$

素因数の和:54497

約数の個数: 32

約数和(自身を含む): 24890392800

約数和(自身を除く): 6374624035

約数列:

[1, 5, 13, 29, 65, 145, 181, 377, 905, 1885, 2353, 5249, 11765, 26245, 54269, 68237, 271345, 341185, 705497, 1573801, 3527485, 7869005, 9822689, 20459413, 49113445, 102297065, 127694957, 284857981, 638474785, 1424289905, 3703153753, 18515768765]

約数ペア:

[(1, 18515768765), (5, 3703153753), (13, 1424289905), (29, 638474785), (65, 284857981), (145, 127694957), (181, 102297065), (377, 49113445), (905, 20459413), (1885, 9822689), (2353, 7869005), (5249, 3527485), (11765, 1573801), (26245, 705497), (54269, 341185), (68237, 271345)]