18634491

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 27636336

約数和(自身を除く): 9001845

約数列:

[1, 3, 9, 73, 113, 219, 251, 339, 657, 753, 1017, 2259, 8249, 18323, 24747, 28363, 54969, 74241, 85089, 164907, 255267, 2070499, 6211497, 18634491]

約数ペア:

[(1, 18634491), (3, 6211497), (9, 2070499), (73, 255267), (113, 164907), (219, 85089), (251, 74241), (339, 54969), (657, 28363), (753, 24747), (1017, 18323), (2259, 8249)]