19985614

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22157}}^1$

素因数の和:22211

約数の個数: 16

約数和(自身を含む): 33502896

約数和(自身を除く): 13517282

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22157, 44314, 243727, 487454, 908437, 1816874, 9992807, 19985614]

約数ペア:

[(1, 19985614), (2, 9992807), (11, 1816874), (22, 908437), (41, 487454), (82, 243727), (451, 44314), (902, 22157)]