19117720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10169}}^1$

素因数の和:10227

約数の個数: 32

約数和(自身を含む): 43934400

約数和(自身を除く): 24816680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10169, 20338, 40676, 50845, 81352, 101690, 203380, 406760, 477943, 955886, 1911772, 2389715, 3823544, 4779430, 9558860, 19117720]

約数ペア:

[(1, 19117720), (2, 9558860), (4, 4779430), (5, 3823544), (8, 2389715), (10, 1911772), (20, 955886), (40, 477943), (47, 406760), (94, 203380), (188, 101690), (235, 81352), (376, 50845), (470, 40676), (940, 20338), (1880, 10169)]