18719568

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{379}}^1$

素因数の和:414

約数の個数: 120

約数和(自身を含む): 61256000

約数和(自身を除く): 42536432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 343, 379, 392, 441, 504, 588, 686, 758, 784, 882, 1008, 1029, 1137, 1176, 1372, 1516, 1764, 2058, 2274, 2352, 2653, 2744, 3032, 3087, 3411, 3528, 4116, 4548, 5306, 5488, 6064, 6174, 6822, 7056, 7959, 8232, 9096, 10612, 12348, 13644, 15918, 16464, 18192, 18571, 21224, 23877, 24696, 27288, 31836, 37142, 42448, 47754, 49392, 54576, 55713, 63672, 74284, 95508, 111426, 127344, 129997, 148568, 167139, 191016, 222852, 259994, 297136, 334278, 382032, 389991, 445704, 519988, 668556, 779982, 891408, 1039976, 1169973, 1337112, 1559964, 2079952, 2339946, 2674224, 3119928, 4679892, 6239856, 9359784, 18719568]

約数ペア:

[(1, 18719568), (2, 9359784), (3, 6239856), (4, 4679892), (6, 3119928), (7, 2674224), (8, 2339946), (9, 2079952), (12, 1559964), (14, 1337112), (16, 1169973), (18, 1039976), (21, 891408), (24, 779982), (28, 668556), (36, 519988), (42, 445704), (48, 389991), (49, 382032), (56, 334278), (63, 297136), (72, 259994), (84, 222852), (98, 191016), (112, 167139), (126, 148568), (144, 129997), (147, 127344), (168, 111426), (196, 95508), (252, 74284), (294, 63672), (336, 55713), (343, 54576), (379, 49392), (392, 47754), (441, 42448), (504, 37142), (588, 31836), (686, 27288), (758, 24696), (784, 23877), (882, 21224), (1008, 18571), (1029, 18192), (1137, 16464), (1176, 15918), (1372, 13644), (1516, 12348), (1764, 10612), (2058, 9096), (2274, 8232), (2352, 7959), (2653, 7056), (2744, 6822), (3032, 6174), (3087, 6064), (3411, 5488), (3528, 5306), (4116, 4548)]