19437340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74759}}^1$

素因数の和:74781

約数の個数: 24

約数和(自身を含む): 43958880

約数和(自身を除く): 24521540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74759, 149518, 299036, 373795, 747590, 971867, 1495180, 1943734, 3887468, 4859335, 9718670, 19437340]

約数ペア:

[(1, 19437340), (2, 9718670), (4, 4859335), (5, 3887468), (10, 1943734), (13, 1495180), (20, 971867), (26, 747590), (52, 373795), (65, 299036), (130, 149518), (260, 74759)]