19886193

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 29405376

約数和(自身を除く): 9519183

約数列:

[1, 3, 9, 101, 131, 167, 303, 393, 501, 909, 1179, 1503, 13231, 16867, 21877, 39693, 50601, 65631, 119079, 151803, 196893, 2209577, 6628731, 19886193]

約数ペア:

[(1, 19886193), (3, 6628731), (9, 2209577), (101, 196893), (131, 151803), (167, 119079), (303, 65631), (393, 50601), (501, 39693), (909, 21877), (1179, 16867), (1503, 13231)]