18931510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1361}}^1$

素因数の和:1488

約数の個数: 32

約数和(自身を含む): 37068192

約数和(自身を除く): 18136682

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1361, 1391, 2722, 2782, 6805, 6955, 13610, 13910, 17693, 35386, 88465, 145627, 176930, 291254, 728135, 1456270, 1893151, 3786302, 9465755, 18931510]

約数ペア:

[(1, 18931510), (2, 9465755), (5, 3786302), (10, 1893151), (13, 1456270), (26, 728135), (65, 291254), (107, 176930), (130, 145627), (214, 88465), (535, 35386), (1070, 17693), (1361, 13910), (1391, 13610), (2722, 6955), (2782, 6805)]