18182972015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{205237}}^1$

素因数の和:205331

約数の個数: 32

約数和(自身を含む): 24825588480

約数和(自身を除く): 6642616465

約数列:

[1, 5, 13, 29, 47, 65, 145, 235, 377, 611, 1363, 1885, 3055, 6815, 17719, 88595, 205237, 1026185, 2668081, 5951873, 9646139, 13340405, 29759365, 48230695, 77374349, 125399807, 279738031, 386871745, 626999035, 1398690155, 3636594403, 18182972015]

約数ペア:

[(1, 18182972015), (5, 3636594403), (13, 1398690155), (29, 626999035), (47, 386871745), (65, 279738031), (145, 125399807), (235, 77374349), (377, 48230695), (611, 29759365), (1363, 13340405), (1885, 9646139), (3055, 5951873), (6815, 2668081), (17719, 1026185), (88595, 205237)]