18180318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3821}}^1$

素因数の和:3900

約数の個数: 32

約数和(自身を含む): 39809952

約数和(自身を除く): 21629634

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1586, 2379, 3821, 4758, 7642, 11463, 22926, 49673, 99346, 149019, 233081, 298038, 466162, 699243, 1398486, 3030053, 6060106, 9090159, 18180318]

約数ペア:

[(1, 18180318), (2, 9090159), (3, 6060106), (6, 3030053), (13, 1398486), (26, 699243), (39, 466162), (61, 298038), (78, 233081), (122, 149019), (183, 99346), (366, 49673), (793, 22926), (1586, 11463), (2379, 7642), (3821, 4758)]