19867041

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 29787264

約数和(自身を除く): 9920223

約数列:

[1, 3, 9, 47, 67, 141, 201, 423, 603, 701, 2103, 3149, 6309, 9447, 28341, 32947, 46967, 98841, 140901, 296523, 422703, 2207449, 6622347, 19867041]

約数ペア:

[(1, 19867041), (3, 6622347), (9, 2207449), (47, 422703), (67, 296523), (141, 140901), (201, 98841), (423, 46967), (603, 32947), (701, 28341), (2103, 9447), (3149, 6309)]