19747896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 59996160

約数和(自身を除く): 40248264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 47, 56, 61, 82, 84, 94, 122, 123, 141, 164, 168, 183, 188, 244, 246, 282, 287, 328, 329, 366, 376, 427, 488, 492, 564, 574, 658, 732, 854, 861, 984, 987, 1128, 1148, 1281, 1316, 1464, 1708, 1722, 1927, 1974, 2296, 2501, 2562, 2632, 2867, 3416, 3444, 3854, 3948, 5002, 5124, 5734, 5781, 6888, 7503, 7708, 7896, 8601, 10004, 10248, 11468, 11562, 13489, 15006, 15416, 17202, 17507, 20008, 20069, 22936, 23124, 26978, 30012, 34404, 35014, 40138, 40467, 46248, 52521, 53956, 60024, 60207, 68808, 70028, 80276, 80934, 105042, 107912, 117547, 120414, 140056, 160552, 161868, 210084, 235094, 240828, 323736, 352641, 420168, 470188, 481656, 705282, 822829, 940376, 1410564, 1645658, 2468487, 2821128, 3291316, 4936974, 6582632, 9873948, 19747896]

約数ペア:

[(1, 19747896), (2, 9873948), (3, 6582632), (4, 4936974), (6, 3291316), (7, 2821128), (8, 2468487), (12, 1645658), (14, 1410564), (21, 940376), (24, 822829), (28, 705282), (41, 481656), (42, 470188), (47, 420168), (56, 352641), (61, 323736), (82, 240828), (84, 235094), (94, 210084), (122, 161868), (123, 160552), (141, 140056), (164, 120414), (168, 117547), (183, 107912), (188, 105042), (244, 80934), (246, 80276), (282, 70028), (287, 68808), (328, 60207), (329, 60024), (366, 53956), (376, 52521), (427, 46248), (488, 40467), (492, 40138), (564, 35014), (574, 34404), (658, 30012), (732, 26978), (854, 23124), (861, 22936), (984, 20069), (987, 20008), (1128, 17507), (1148, 17202), (1281, 15416), (1316, 15006), (1464, 13489), (1708, 11562), (1722, 11468), (1927, 10248), (1974, 10004), (2296, 8601), (2501, 7896), (2562, 7708), (2632, 7503), (2867, 6888), (3416, 5781), (3444, 5734), (3854, 5124), (3948, 5002)]