19773650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1103

約数の個数: 48

約数和(自身を含む): 41013000

約数和(自身を除く): 21239350

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 290, 325, 377, 650, 725, 754, 1049, 1450, 1885, 2098, 3770, 5245, 9425, 10490, 13637, 18850, 26225, 27274, 30421, 52450, 60842, 68185, 136370, 152105, 304210, 340925, 395473, 681850, 760525, 790946, 1521050, 1977365, 3954730, 9886825, 19773650]

約数ペア:

[(1, 19773650), (2, 9886825), (5, 3954730), (10, 1977365), (13, 1521050), (25, 790946), (26, 760525), (29, 681850), (50, 395473), (58, 340925), (65, 304210), (130, 152105), (145, 136370), (290, 68185), (325, 60842), (377, 52450), (650, 30421), (725, 27274), (754, 26225), (1049, 18850), (1450, 13637), (1885, 10490), (2098, 9425), (3770, 5245)]