2019371757

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1\times {\mathrm{647}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 2926264320

約数和(自身を除く): 906892563

約数列:

[1, 3, 13, 39, 191, 419, 573, 647, 1257, 1941, 2483, 5447, 7449, 8411, 16341, 25233, 80029, 123577, 240087, 271093, 370731, 813279, 1040377, 1606501, 3121131, 3524209, 4819503, 10572627, 51778763, 155336289, 673123919, 2019371757]

約数ペア:

[(1, 2019371757), (3, 673123919), (13, 155336289), (39, 51778763), (191, 10572627), (419, 4819503), (573, 3524209), (647, 3121131), (1257, 1606501), (1941, 1040377), (2483, 813279), (5447, 370731), (7449, 271093), (8411, 240087), (16341, 123577), (25233, 80029)]