18674784

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{1063}}^1$

素因数の和:1140

約数の個数: 72

約数和(自身を含む): 54027792

約数和(自身を除く): 35353008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 72, 96, 122, 144, 183, 244, 288, 366, 488, 549, 732, 976, 1063, 1098, 1464, 1952, 2126, 2196, 2928, 3189, 4252, 4392, 5856, 6378, 8504, 8784, 9567, 12756, 17008, 17568, 19134, 25512, 34016, 38268, 51024, 64843, 76536, 102048, 129686, 153072, 194529, 259372, 306144, 389058, 518744, 583587, 778116, 1037488, 1167174, 1556232, 2074976, 2334348, 3112464, 4668696, 6224928, 9337392, 18674784]

約数ペア:

[(1, 18674784), (2, 9337392), (3, 6224928), (4, 4668696), (6, 3112464), (8, 2334348), (9, 2074976), (12, 1556232), (16, 1167174), (18, 1037488), (24, 778116), (32, 583587), (36, 518744), (48, 389058), (61, 306144), (72, 259372), (96, 194529), (122, 153072), (144, 129686), (183, 102048), (244, 76536), (288, 64843), (366, 51024), (488, 38268), (549, 34016), (732, 25512), (976, 19134), (1063, 17568), (1098, 17008), (1464, 12756), (1952, 9567), (2126, 8784), (2196, 8504), (2928, 6378), (3189, 5856), (4252, 4392)]