19496020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3793}}^1$

素因数の和:4059

約数の個数: 24

約数和(自身を含む): 41111784

約数和(自身を除く): 21615764

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 3793, 5140, 7586, 15172, 18965, 37930, 75860, 974801, 1949602, 3899204, 4874005, 9748010, 19496020]

約数ペア:

[(1, 19496020), (2, 9748010), (4, 4874005), (5, 3899204), (10, 1949602), (20, 974801), (257, 75860), (514, 37930), (1028, 18965), (1285, 15172), (2570, 7586), (3793, 5140)]