18719712

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 61326720

約数和(自身を除く): 42607008

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 32, 33, 36, 38, 44, 48, 57, 66, 72, 76, 88, 96, 99, 114, 132, 144, 152, 171, 176, 198, 209, 228, 264, 288, 304, 311, 342, 352, 396, 418, 456, 528, 608, 622, 627, 684, 792, 836, 912, 933, 1056, 1244, 1254, 1368, 1584, 1672, 1824, 1866, 1881, 2488, 2508, 2736, 2799, 3168, 3344, 3421, 3732, 3762, 4976, 5016, 5472, 5598, 5909, 6688, 6842, 7464, 7524, 9952, 10032, 10263, 11196, 11818, 13684, 14928, 15048, 17727, 20064, 20526, 22392, 23636, 27368, 29856, 30096, 30789, 35454, 41052, 44784, 47272, 53181, 54736, 60192, 61578, 64999, 70908, 82104, 89568, 94544, 106362, 109472, 123156, 129998, 141816, 164208, 189088, 194997, 212724, 246312, 259996, 283632, 328416, 389994, 425448, 492624, 519992, 567264, 584991, 779988, 850896, 985248, 1039984, 1169982, 1559976, 1701792, 2079968, 2339964, 3119952, 4679928, 6239904, 9359856, 18719712]

約数ペア:

[(1, 18719712), (2, 9359856), (3, 6239904), (4, 4679928), (6, 3119952), (8, 2339964), (9, 2079968), (11, 1701792), (12, 1559976), (16, 1169982), (18, 1039984), (19, 985248), (22, 850896), (24, 779988), (32, 584991), (33, 567264), (36, 519992), (38, 492624), (44, 425448), (48, 389994), (57, 328416), (66, 283632), (72, 259996), (76, 246312), (88, 212724), (96, 194997), (99, 189088), (114, 164208), (132, 141816), (144, 129998), (152, 123156), (171, 109472), (176, 106362), (198, 94544), (209, 89568), (228, 82104), (264, 70908), (288, 64999), (304, 61578), (311, 60192), (342, 54736), (352, 53181), (396, 47272), (418, 44784), (456, 41052), (528, 35454), (608, 30789), (622, 30096), (627, 29856), (684, 27368), (792, 23636), (836, 22392), (912, 20526), (933, 20064), (1056, 17727), (1244, 15048), (1254, 14928), (1368, 13684), (1584, 11818), (1672, 11196), (1824, 10263), (1866, 10032), (1881, 9952), (2488, 7524), (2508, 7464), (2736, 6842), (2799, 6688), (3168, 5909), (3344, 5598), (3421, 5472), (3732, 5016), (3762, 4976)]