19438250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5981}}^1$

素因数の和:6011

約数の個数: 32

約数和(自身を含む): 39194064

約数和(自身を除く): 19755814

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 5981, 11962, 29905, 59810, 77753, 149525, 155506, 299050, 388765, 747625, 777530, 1495250, 1943825, 3887650, 9719125, 19438250]

約数ペア:

[(1, 19438250), (2, 9719125), (5, 3887650), (10, 1943825), (13, 1495250), (25, 777530), (26, 747625), (50, 388765), (65, 299050), (125, 155506), (130, 149525), (250, 77753), (325, 59810), (650, 29905), (1625, 11962), (3250, 5981)]