19918130

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42379}}^1$

素因数の和:42433

約数の個数: 16

約数和(自身を含む): 36616320

約数和(自身を除く): 16698190

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 42379, 84758, 211895, 423790, 1991813, 3983626, 9959065, 19918130]

約数ペア:

[(1, 19918130), (2, 9959065), (5, 3983626), (10, 1991813), (47, 423790), (94, 211895), (235, 84758), (470, 42379)]