19998130

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54049}}^1$

素因数の和:54093

約数の個数: 16

約数和(自身を含む): 36970200

約数和(自身を除く): 16972070

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 54049, 108098, 270245, 540490, 1999813, 3999626, 9999065, 19998130]

約数ペア:

[(1, 19998130), (2, 9999065), (5, 3999626), (10, 1999813), (37, 540490), (74, 270245), (185, 108098), (370, 54049)]