18805473

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{4273}}^1$

素因数の和:4445

約数の個数: 16

約数和(自身を含む): 28037440

約数和(自身を除く): 9231967

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4273, 4401, 12819, 38457, 115371, 696499, 2089497, 6268491, 18805473]

約数ペア:

[(1, 18805473), (3, 6268491), (9, 2089497), (27, 696499), (163, 115371), (489, 38457), (1467, 12819), (4273, 4401)]