18388766

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 31656960

約数和(自身を除く): 13268194

約数列:

[1, 2, 11, 22, 31, 59, 62, 118, 341, 457, 649, 682, 914, 1298, 1829, 3658, 5027, 10054, 14167, 20119, 26963, 28334, 40238, 53926, 155837, 296593, 311674, 593186, 835853, 1671706, 9194383, 18388766]

約数ペア:

[(1, 18388766), (2, 9194383), (11, 1671706), (22, 835853), (31, 593186), (59, 311674), (62, 296593), (118, 155837), (341, 53926), (457, 40238), (649, 28334), (682, 26963), (914, 20119), (1298, 14167), (1829, 10054), (3658, 5027)]