19837388

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 35511840

約数和(自身を除く): 15674452

約数列:

[1, 2, 4, 89, 103, 178, 206, 356, 412, 541, 1082, 2164, 9167, 18334, 36668, 48149, 55723, 96298, 111446, 192596, 222892, 4959347, 9918694, 19837388]

約数ペア:

[(1, 19837388), (2, 9918694), (4, 4959347), (89, 222892), (103, 192596), (178, 111446), (206, 96298), (356, 55723), (412, 48149), (541, 36668), (1082, 18334), (2164, 9167)]