1999228317

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{661777}}^1$

素因数の和:661852

約数の個数: 16

約数和(自身を含む): 2858880960

約数和(自身を除く): 859652643

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 661777, 1985331, 12573763, 35074181, 37721289, 105222543, 666409439, 1999228317]

約数ペア:

[(1, 1999228317), (3, 666409439), (19, 105222543), (53, 37721289), (57, 35074181), (159, 12573763), (1007, 1985331), (3021, 661777)]