20180899491

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1\times {\mathrm{1613}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 27555240960

約数和(自身を除く): 7374341469

約数列:

[1, 3, 71, 151, 213, 389, 453, 1167, 1613, 4839, 10721, 27619, 32163, 58739, 82857, 114523, 176217, 243563, 343569, 627457, 730689, 1882371, 4170469, 12511407, 17292973, 44549447, 51878919, 94746007, 133648341, 284238021, 6726966497, 20180899491]

約数ペア:

[(1, 20180899491), (3, 6726966497), (71, 284238021), (151, 133648341), (213, 94746007), (389, 51878919), (453, 44549447), (1167, 17292973), (1613, 12511407), (4839, 4170469), (10721, 1882371), (27619, 730689), (32163, 627457), (58739, 343569), (82857, 243563), (114523, 176217)]