19162145

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 24867000

約数和(自身を除く): 5704855

約数列:

[1, 5, 17, 85, 89, 149, 289, 445, 745, 1445, 1513, 2533, 7565, 12665, 13261, 25721, 43061, 66305, 128605, 215305, 225437, 1127185, 3832429, 19162145]

約数ペア:

[(1, 19162145), (5, 3832429), (17, 1127185), (85, 225437), (89, 215305), (149, 128605), (289, 66305), (445, 43061), (745, 25721), (1445, 13261), (1513, 12665), (2533, 7565)]