18086705

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 27009024

約数和(自身を除く): 8922319

約数列:

[1, 5, 7, 13, 35, 65, 91, 127, 313, 455, 635, 889, 1565, 1651, 2191, 4069, 4445, 8255, 10955, 11557, 20345, 28483, 39751, 57785, 142415, 198755, 278257, 516763, 1391285, 2583815, 3617341, 18086705]

約数ペア:

[(1, 18086705), (5, 3617341), (7, 2583815), (13, 1391285), (35, 516763), (65, 278257), (91, 198755), (127, 142415), (313, 57785), (455, 39751), (635, 28483), (889, 20345), (1565, 11557), (1651, 10955), (2191, 8255), (4069, 4445)]