19684340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75709}}^1$

素因数の和:75731

約数の個数: 24

約数和(自身を含む): 44517480

約数和(自身を除く): 24833140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75709, 151418, 302836, 378545, 757090, 984217, 1514180, 1968434, 3936868, 4921085, 9842170, 19684340]

約数ペア:

[(1, 19684340), (2, 9842170), (4, 4921085), (5, 3936868), (10, 1968434), (13, 1514180), (20, 984217), (26, 757090), (52, 378545), (65, 302836), (130, 151418), (260, 75709)]