19878348161

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{24007}}^1$

素因数の和:24213

約数の個数: 32

約数和(自身を含む): 24522731520

約数和(自身を除く): 4644383359

約数列:

[1, 7, 23, 37, 139, 161, 259, 851, 973, 3197, 5143, 5957, 22379, 24007, 36001, 118289, 168049, 552161, 828023, 888259, 3336973, 3865127, 6217813, 20429957, 23358811, 76750379, 123468001, 143009699, 537252653, 864276007, 2839764023, 19878348161]

約数ペア:

[(1, 19878348161), (7, 2839764023), (23, 864276007), (37, 537252653), (139, 143009699), (161, 123468001), (259, 76750379), (851, 23358811), (973, 20429957), (3197, 6217813), (5143, 3865127), (5957, 3336973), (22379, 888259), (24007, 828023), (36001, 552161), (118289, 168049)]