19673990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40151}}^1$

素因数の和:40172

約数の個数: 24

約数和(自身を含む): 41195952

約数和(自身を除く): 21521962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40151, 80302, 200755, 281057, 401510, 562114, 1405285, 1967399, 2810570, 3934798, 9836995, 19673990]

約数ペア:

[(1, 19673990), (2, 9836995), (5, 3934798), (7, 2810570), (10, 1967399), (14, 1405285), (35, 562114), (49, 401510), (70, 281057), (98, 200755), (245, 80302), (490, 40151)]