19998792

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:488

約数の個数: 128

約数和(自身を含む): 63936000

約数和(自身を除く): 43937208

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 27, 33, 36, 38, 44, 54, 57, 66, 72, 76, 88, 99, 108, 114, 132, 152, 171, 198, 209, 216, 228, 264, 297, 342, 396, 418, 443, 456, 513, 594, 627, 684, 792, 836, 886, 1026, 1188, 1254, 1329, 1368, 1672, 1772, 1881, 2052, 2376, 2508, 2658, 3544, 3762, 3987, 4104, 4873, 5016, 5316, 5643, 7524, 7974, 8417, 9746, 10632, 11286, 11961, 14619, 15048, 15948, 16834, 19492, 22572, 23922, 25251, 29238, 31896, 33668, 38984, 43857, 45144, 47844, 50502, 58476, 67336, 75753, 87714, 92587, 95688, 101004, 116952, 131571, 151506, 175428, 185174, 202008, 227259, 263142, 277761, 303012, 350856, 370348, 454518, 526284, 555522, 606024, 740696, 833283, 909036, 1052568, 1111044, 1666566, 1818072, 2222088, 2499849, 3333132, 4999698, 6666264, 9999396, 19998792]

約数ペア:

[(1, 19998792), (2, 9999396), (3, 6666264), (4, 4999698), (6, 3333132), (8, 2499849), (9, 2222088), (11, 1818072), (12, 1666566), (18, 1111044), (19, 1052568), (22, 909036), (24, 833283), (27, 740696), (33, 606024), (36, 555522), (38, 526284), (44, 454518), (54, 370348), (57, 350856), (66, 303012), (72, 277761), (76, 263142), (88, 227259), (99, 202008), (108, 185174), (114, 175428), (132, 151506), (152, 131571), (171, 116952), (198, 101004), (209, 95688), (216, 92587), (228, 87714), (264, 75753), (297, 67336), (342, 58476), (396, 50502), (418, 47844), (443, 45144), (456, 43857), (513, 38984), (594, 33668), (627, 31896), (684, 29238), (792, 25251), (836, 23922), (886, 22572), (1026, 19492), (1188, 16834), (1254, 15948), (1329, 15048), (1368, 14619), (1672, 11961), (1772, 11286), (1881, 10632), (2052, 9746), (2376, 8417), (2508, 7974), (2658, 7524), (3544, 5643), (3762, 5316), (3987, 5016), (4104, 4873)]