19921852

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{93971}}^1$

素因数の和:94028

約数の個数: 12

約数和(自身を含む): 35521416

約数和(自身を除く): 15599564

約数列:

[1, 2, 4, 53, 106, 212, 93971, 187942, 375884, 4980463, 9960926, 19921852]

約数ペア:

[(1, 19921852), (2, 9960926), (4, 4980463), (53, 375884), (106, 187942), (212, 93971)]