2019949911

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 3652242048

約数和(自身を除く): 1632292137

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 157, 287, 293, 357, 369, 471, 697, 861, 879, 1071, 1099, 1413, 2051, 2091, 2583, 2637, 2669, 3297, 4879, 4981, 6153, 6273, 6437, 8007, 9891, 12013, 14637, 14943, 18459, 18683, 19311, 24021, 34867, 36039, 43911, 44829, 45059, 46001, 56049, 57933, 84091, 104601, 108117, 109429, 135177, 138003, 168147, 204221, 252273, 313803, 322007, 328287, 405531, 414009, 612663, 756819, 766003, 782017, 966021, 984861, 1429547, 1837989, 1886041, 2298009, 2346051, 2898063, 4288641, 5474119, 5658123, 6894027, 7038153, 12865923, 13202287, 16422357, 16974369, 32062697, 39606861, 49267071, 96188091, 118820583, 224438879, 288564273, 673316637, 2019949911]

約数ペア:

[(1, 2019949911), (3, 673316637), (7, 288564273), (9, 224438879), (17, 118820583), (21, 96188091), (41, 49267071), (51, 39606861), (63, 32062697), (119, 16974369), (123, 16422357), (153, 13202287), (157, 12865923), (287, 7038153), (293, 6894027), (357, 5658123), (369, 5474119), (471, 4288641), (697, 2898063), (861, 2346051), (879, 2298009), (1071, 1886041), (1099, 1837989), (1413, 1429547), (2051, 984861), (2091, 966021), (2583, 782017), (2637, 766003), (2669, 756819), (3297, 612663), (4879, 414009), (4981, 405531), (6153, 328287), (6273, 322007), (6437, 313803), (8007, 252273), (9891, 204221), (12013, 168147), (14637, 138003), (14943, 135177), (18459, 109429), (18683, 108117), (19311, 104601), (24021, 84091), (34867, 57933), (36039, 56049), (43911, 46001), (44829, 45059)]