16218086975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{12641}}^1$

素因数の和:12780

約数の個数: 48

約数和(自身を含む): 22040568480

約数和(自身を除く): 5822481505

約数列:

[1, 5, 19, 25, 37, 73, 95, 185, 365, 475, 703, 925, 1387, 1825, 2701, 3515, 6935, 12641, 13505, 17575, 34675, 51319, 63205, 67525, 240179, 256595, 316025, 467717, 922793, 1200895, 1282975, 2338585, 4613965, 6004475, 8886623, 11692925, 17533067, 23069825, 34143341, 44433115, 87665335, 170716705, 222165575, 438326675, 648723479, 853583525, 3243617395, 16218086975]

約数ペア:

[(1, 16218086975), (5, 3243617395), (19, 853583525), (25, 648723479), (37, 438326675), (73, 222165575), (95, 170716705), (185, 87665335), (365, 44433115), (475, 34143341), (703, 23069825), (925, 17533067), (1387, 11692925), (1825, 8886623), (2701, 6004475), (3515, 4613965), (6935, 2338585), (12641, 1282975), (13505, 1200895), (17575, 922793), (34675, 467717), (51319, 316025), (63205, 256595), (67525, 240179)]