19401008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110233}}^1$

素因数の和:110252

約数の個数: 20

約数和(自身を含む): 41007048

約数和(自身を除く): 21606040

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110233, 220466, 440932, 881864, 1212563, 1763728, 2425126, 4850252, 9700504, 19401008]

約数ペア:

[(1, 19401008), (2, 9700504), (4, 4850252), (8, 2425126), (11, 1763728), (16, 1212563), (22, 881864), (44, 440932), (88, 220466), (176, 110233)]