18552664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 40572000

約数和(自身を除く): 22019336

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 41, 52, 76, 82, 104, 152, 164, 229, 247, 328, 458, 494, 533, 779, 916, 988, 1066, 1558, 1832, 1976, 2132, 2977, 3116, 4264, 4351, 5954, 6232, 8702, 9389, 10127, 11908, 17404, 18778, 20254, 23816, 34808, 37556, 40508, 56563, 75112, 81016, 113126, 122057, 178391, 226252, 244114, 356782, 452504, 488228, 713564, 976456, 1427128, 2319083, 4638166, 9276332, 18552664]

約数ペア:

[(1, 18552664), (2, 9276332), (4, 4638166), (8, 2319083), (13, 1427128), (19, 976456), (26, 713564), (38, 488228), (41, 452504), (52, 356782), (76, 244114), (82, 226252), (104, 178391), (152, 122057), (164, 113126), (229, 81016), (247, 75112), (328, 56563), (458, 40508), (494, 37556), (533, 34808), (779, 23816), (916, 20254), (988, 18778), (1066, 17404), (1558, 11908), (1832, 10127), (1976, 9389), (2132, 8702), (2977, 6232), (3116, 5954), (4264, 4351)]