18500690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2333}}^1$

素因数の和:2414

約数の個数: 32

約数和(自身を含む): 36466416

約数和(自身を除く): 17965726

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 2333, 3965, 4666, 7930, 11665, 23330, 30329, 60658, 142313, 151645, 284626, 303290, 711565, 1423130, 1850069, 3700138, 9250345, 18500690]

約数ペア:

[(1, 18500690), (2, 9250345), (5, 3700138), (10, 1850069), (13, 1423130), (26, 711565), (61, 303290), (65, 284626), (122, 151645), (130, 142313), (305, 60658), (610, 30329), (793, 23330), (1586, 11665), (2333, 7930), (3965, 4666)]