19765386719

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1579}}^1\times {\mathrm{4357}}^1$

素因数の和:5979

約数の個数: 24

約数和(自身を含む): 22681298160

約数和(自身を除く): 2915911441

約数列:

[1, 13, 17, 169, 221, 1579, 2873, 4357, 20527, 26843, 56641, 74069, 266851, 348959, 736333, 962897, 4536467, 6879703, 12517661, 89436139, 116954951, 1162669807, 1520414363, 19765386719]

約数ペア:

[(1, 19765386719), (13, 1520414363), (17, 1162669807), (169, 116954951), (221, 89436139), (1579, 12517661), (2873, 6879703), (4357, 4536467), (20527, 962897), (26843, 736333), (56641, 348959), (74069, 266851)]