19991796

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 35165964

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 59, 66, 68, 102, 118, 132, 151, 177, 187, 204, 236, 302, 354, 374, 453, 561, 604, 649, 708, 748, 906, 1003, 1122, 1298, 1661, 1812, 1947, 2006, 2244, 2567, 2596, 3009, 3322, 3894, 4012, 4983, 5134, 6018, 6644, 7701, 7788, 8909, 9966, 10268, 11033, 12036, 15402, 17818, 19932, 22066, 26727, 28237, 30804, 33099, 35636, 44132, 53454, 56474, 66198, 84711, 97999, 106908, 112948, 132396, 151453, 169422, 195998, 293997, 302906, 338844, 391996, 454359, 587994, 605812, 908718, 1175988, 1665983, 1817436, 3331966, 4997949, 6663932, 9995898, 19991796]

約数ペア:

[(1, 19991796), (2, 9995898), (3, 6663932), (4, 4997949), (6, 3331966), (11, 1817436), (12, 1665983), (17, 1175988), (22, 908718), (33, 605812), (34, 587994), (44, 454359), (51, 391996), (59, 338844), (66, 302906), (68, 293997), (102, 195998), (118, 169422), (132, 151453), (151, 132396), (177, 112948), (187, 106908), (204, 97999), (236, 84711), (302, 66198), (354, 56474), (374, 53454), (453, 44132), (561, 35636), (604, 33099), (649, 30804), (708, 28237), (748, 26727), (906, 22066), (1003, 19932), (1122, 17818), (1298, 15402), (1661, 12036), (1812, 11033), (1947, 10268), (2006, 9966), (2244, 8909), (2567, 7788), (2596, 7701), (3009, 6644), (3322, 6018), (3894, 5134), (4012, 4983)]