18713864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1747}}^1$

素因数の和:1869

約数の個数: 32

約数和(自身を含む): 38176320

約数和(自身を除く): 19462456

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 1747, 2678, 3494, 5356, 6988, 10712, 13976, 22711, 45422, 90844, 179941, 181688, 359882, 719764, 1439528, 2339233, 4678466, 9356932, 18713864]

約数ペア:

[(1, 18713864), (2, 9356932), (4, 4678466), (8, 2339233), (13, 1439528), (26, 719764), (52, 359882), (103, 181688), (104, 179941), (206, 90844), (412, 45422), (824, 22711), (1339, 13976), (1747, 10712), (2678, 6988), (3494, 5356)]