18997270

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{10613}}^1$

素因数の和:10799

約数の個数: 16

約数和(自身を含む): 34389360

約数和(自身を除く): 15392090

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 10613, 21226, 53065, 106130, 1899727, 3799454, 9498635, 18997270]

約数ペア:

[(1, 18997270), (2, 9498635), (5, 3799454), (10, 1899727), (179, 106130), (358, 53065), (895, 21226), (1790, 10613)]