19878338

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{8009}}^1$

素因数の和:8101

約数の個数: 16

約数和(自身を含む): 32007960

約数和(自身を除く): 12129622

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 8009, 16018, 136153, 272306, 584657, 1169314, 9939169, 19878338]

約数ペア:

[(1, 19878338), (2, 9939169), (17, 1169314), (34, 584657), (73, 272306), (146, 136153), (1241, 16018), (2482, 8009)]