19934140

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3547}}^1$

素因数の和:3837

約数の個数: 24

約数和(自身を含む): 42022512

約数和(自身を除く): 22088372

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 3547, 5620, 7094, 14188, 17735, 35470, 70940, 996707, 1993414, 3986828, 4983535, 9967070, 19934140]

約数ペア:

[(1, 19934140), (2, 9967070), (4, 4983535), (5, 3986828), (10, 1993414), (20, 996707), (281, 70940), (562, 35470), (1124, 17735), (1405, 14188), (2810, 7094), (3547, 5620)]