19101640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4463}}^1$

素因数の和:4581

約数の個数: 32

約数和(自身を含む): 43390080

約数和(自身を除く): 24288440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4463, 8926, 17852, 22315, 35704, 44630, 89260, 178520, 477541, 955082, 1910164, 2387705, 3820328, 4775410, 9550820, 19101640]

約数ペア:

[(1, 19101640), (2, 9550820), (4, 4775410), (5, 3820328), (8, 2387705), (10, 1910164), (20, 955082), (40, 477541), (107, 178520), (214, 89260), (428, 44630), (535, 35704), (856, 22315), (1070, 17852), (2140, 8926), (4280, 4463)]