18546580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71333}}^1$

素因数の和:71355

約数の個数: 24

約数和(自身を含む): 41944392

約数和(自身を除く): 23397812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71333, 142666, 285332, 356665, 713330, 927329, 1426660, 1854658, 3709316, 4636645, 9273290, 18546580]

約数ペア:

[(1, 18546580), (2, 9273290), (4, 4636645), (5, 3709316), (10, 1854658), (13, 1426660), (20, 927329), (26, 713330), (52, 356665), (65, 285332), (130, 142666), (260, 71333)]