19016218

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:598

約数の個数: 24

約数和(自身を含む): 31200768

約数和(自身を除く): 12184550

約数列:

[1, 2, 13, 26, 127, 169, 254, 338, 443, 886, 1651, 3302, 5759, 11518, 21463, 42926, 56261, 74867, 112522, 149734, 731393, 1462786, 9508109, 19016218]

約数ペア:

[(1, 19016218), (2, 9508109), (13, 1462786), (26, 731393), (127, 149734), (169, 112522), (254, 74867), (338, 56261), (443, 42926), (886, 21463), (1651, 11518), (3302, 5759)]