18066568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 39513600

約数和(自身を除く): 21447032

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 41, 52, 76, 82, 104, 152, 164, 223, 247, 328, 446, 494, 533, 779, 892, 988, 1066, 1558, 1784, 1976, 2132, 2899, 3116, 4237, 4264, 5798, 6232, 8474, 9143, 10127, 11596, 16948, 18286, 20254, 23192, 33896, 36572, 40508, 55081, 73144, 81016, 110162, 118859, 173717, 220324, 237718, 347434, 440648, 475436, 694868, 950872, 1389736, 2258321, 4516642, 9033284, 18066568]

約数ペア:

[(1, 18066568), (2, 9033284), (4, 4516642), (8, 2258321), (13, 1389736), (19, 950872), (26, 694868), (38, 475436), (41, 440648), (52, 347434), (76, 237718), (82, 220324), (104, 173717), (152, 118859), (164, 110162), (223, 81016), (247, 73144), (328, 55081), (446, 40508), (494, 36572), (533, 33896), (779, 23192), (892, 20254), (988, 18286), (1066, 16948), (1558, 11596), (1784, 10127), (1976, 9143), (2132, 8474), (2899, 6232), (3116, 5798), (4237, 4264)]