18061264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1315

約数の個数: 40

約数和(自身を含む): 38247552

約数和(自身を除く): 20186288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1223, 1846, 2446, 3692, 4892, 7384, 9784, 14768, 15899, 19568, 31798, 63596, 86833, 127192, 173666, 254384, 347332, 694664, 1128829, 1389328, 2257658, 4515316, 9030632, 18061264]

約数ペア:

[(1, 18061264), (2, 9030632), (4, 4515316), (8, 2257658), (13, 1389328), (16, 1128829), (26, 694664), (52, 347332), (71, 254384), (104, 173666), (142, 127192), (208, 86833), (284, 63596), (568, 31798), (923, 19568), (1136, 15899), (1223, 14768), (1846, 9784), (2446, 7384), (3692, 4892)]