19245850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1075

約数の個数: 48

約数和(自身を含む): 39919320

約数和(自身を除く): 20673470

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 290, 325, 377, 650, 725, 754, 1021, 1450, 1885, 2042, 3770, 5105, 9425, 10210, 13273, 18850, 25525, 26546, 29609, 51050, 59218, 66365, 132730, 148045, 296090, 331825, 384917, 663650, 740225, 769834, 1480450, 1924585, 3849170, 9622925, 19245850]

約数ペア:

[(1, 19245850), (2, 9622925), (5, 3849170), (10, 1924585), (13, 1480450), (25, 769834), (26, 740225), (29, 663650), (50, 384917), (58, 331825), (65, 296090), (130, 148045), (145, 132730), (290, 66365), (325, 59218), (377, 51050), (650, 29609), (725, 26546), (754, 25525), (1021, 18850), (1450, 13273), (1885, 10210), (2042, 9425), (3770, 5105)]