18493856

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 38158848

約数和(自身を除く): 19664992

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 103, 124, 181, 206, 248, 362, 412, 496, 724, 824, 992, 1448, 1648, 2896, 3193, 3296, 5611, 5792, 6386, 11222, 12772, 18643, 22444, 25544, 37286, 44888, 51088, 74572, 89776, 102176, 149144, 179552, 298288, 577933, 596576, 1155866, 2311732, 4623464, 9246928, 18493856]

約数ペア:

[(1, 18493856), (2, 9246928), (4, 4623464), (8, 2311732), (16, 1155866), (31, 596576), (32, 577933), (62, 298288), (103, 179552), (124, 149144), (181, 102176), (206, 89776), (248, 74572), (362, 51088), (412, 44888), (496, 37286), (724, 25544), (824, 22444), (992, 18643), (1448, 12772), (1648, 11222), (2896, 6386), (3193, 5792), (3296, 5611)]