18807378

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^3\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 39791040

約数和(自身を除く): 20983662

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 457, 722, 914, 1083, 1371, 2166, 2742, 6859, 8683, 13718, 17366, 20577, 26049, 41154, 52098, 164977, 329954, 494931, 989862, 3134563, 6269126, 9403689, 18807378]

約数ペア:

[(1, 18807378), (2, 9403689), (3, 6269126), (6, 3134563), (19, 989862), (38, 494931), (57, 329954), (114, 164977), (361, 52098), (457, 41154), (722, 26049), (914, 20577), (1083, 17366), (1371, 13718), (2166, 8683), (2742, 6859)]