19857448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4657}}^1$

素因数の和:4717

約数の個数: 32

約数和(自身を含む): 41083560

約数和(自身を除く): 21226112

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4657, 9314, 18628, 37256, 60541, 121082, 190937, 242164, 381874, 484328, 763748, 1527496, 2482181, 4964362, 9928724, 19857448]

約数ペア:

[(1, 19857448), (2, 9928724), (4, 4964362), (8, 2482181), (13, 1527496), (26, 763748), (41, 484328), (52, 381874), (82, 242164), (104, 190937), (164, 121082), (328, 60541), (533, 37256), (1066, 18628), (2132, 9314), (4264, 4657)]