19875078

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26573562

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 47, 54, 82, 94, 123, 141, 191, 246, 282, 369, 382, 423, 573, 738, 846, 1107, 1146, 1269, 1719, 1927, 2214, 2538, 3438, 3854, 5157, 5781, 7831, 8977, 10314, 11562, 15662, 17343, 17954, 23493, 26931, 34686, 46986, 52029, 53862, 70479, 80793, 104058, 140958, 161586, 211437, 242379, 368057, 422874, 484758, 736114, 1104171, 2208342, 3312513, 6625026, 9937539, 19875078]

約数ペア:

[(1, 19875078), (2, 9937539), (3, 6625026), (6, 3312513), (9, 2208342), (18, 1104171), (27, 736114), (41, 484758), (47, 422874), (54, 368057), (82, 242379), (94, 211437), (123, 161586), (141, 140958), (191, 104058), (246, 80793), (282, 70479), (369, 53862), (382, 52029), (423, 46986), (573, 34686), (738, 26931), (846, 23493), (1107, 17954), (1146, 17343), (1269, 15662), (1719, 11562), (1927, 10314), (2214, 8977), (2538, 7831), (3438, 5781), (3854, 5157)]