17988518

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{761}}^1$

素因数の和:1039

約数の個数: 16

約数和(自身を含む): 27651456

約数和(自身を除く): 9662938

約数列:

[1, 2, 53, 106, 223, 446, 761, 1522, 11819, 23638, 40333, 80666, 169703, 339406, 8994259, 17988518]

約数ペア:

[(1, 17988518), (2, 8994259), (53, 339406), (106, 169703), (223, 80666), (446, 40333), (761, 23638), (1522, 11819)]