18981906

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{18287}}^1$

素因数の和:18465

約数の個数: 16

約数和(自身を含む): 38185344

約数和(自身を除く): 19203438

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 18287, 36574, 54861, 109722, 3163651, 6327302, 9490953, 18981906]

約数ペア:

[(1, 18981906), (2, 9490953), (3, 6327302), (6, 3163651), (173, 109722), (346, 54861), (519, 36574), (1038, 18287)]