19597136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1327}}^1$

素因数の和:1419

約数の個数: 40

約数和(自身を含む): 41497344

約数和(自身を除く): 21900208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1327, 1846, 2654, 3692, 5308, 7384, 10616, 14768, 17251, 21232, 34502, 69004, 94217, 138008, 188434, 276016, 376868, 753736, 1224821, 1507472, 2449642, 4899284, 9798568, 19597136]

約数ペア:

[(1, 19597136), (2, 9798568), (4, 4899284), (8, 2449642), (13, 1507472), (16, 1224821), (26, 753736), (52, 376868), (71, 276016), (104, 188434), (142, 138008), (208, 94217), (284, 69004), (568, 34502), (923, 21232), (1136, 17251), (1327, 14768), (1846, 10616), (2654, 7384), (3692, 5308)]