18266885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2113}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 28412160

約数和(自身を除く): 10145275

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 2113, 8645, 10565, 14791, 27469, 40147, 73955, 137345, 192283, 200735, 281029, 521911, 961415, 1405145, 2609555, 3653377, 18266885]

約数ペア:

[(1, 18266885), (5, 3653377), (7, 2609555), (13, 1405145), (19, 961415), (35, 521911), (65, 281029), (91, 200735), (95, 192283), (133, 137345), (247, 73955), (455, 40147), (665, 27469), (1235, 14791), (1729, 10565), (2113, 8645)]