19903660167

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{28843}}^1$

素因数の和:29079

約数の個数: 32

約数和(自身を含む): 28277273088

約数和(自身を除く): 8373612921

約数列:

[1, 3, 23, 69, 73, 137, 219, 411, 1679, 3151, 5037, 9453, 10001, 28843, 30003, 86529, 230023, 663389, 690069, 1990167, 2105539, 3951491, 6316617, 11854473, 48427397, 90884293, 145282191, 272652879, 288458843, 865376529, 6634553389, 19903660167]

約数ペア:

[(1, 19903660167), (3, 6634553389), (23, 865376529), (69, 288458843), (73, 272652879), (137, 145282191), (219, 90884293), (411, 48427397), (1679, 11854473), (3151, 6316617), (5037, 3951491), (9453, 2105539), (10001, 1990167), (28843, 690069), (30003, 663389), (86529, 230023)]