18405892

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{947}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 33286176

約数和(自身を除く): 14880284

約数列:

[1, 2, 4, 43, 86, 113, 172, 226, 452, 947, 1894, 3788, 4859, 9718, 19436, 40721, 81442, 107011, 162884, 214022, 428044, 4601473, 9202946, 18405892]

約数ペア:

[(1, 18405892), (2, 9202946), (4, 4601473), (43, 428044), (86, 214022), (113, 162884), (172, 107011), (226, 81442), (452, 40721), (947, 19436), (1894, 9718), (3788, 4859)]