18599420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18979}}^1$

素因数の和:19002

約数の個数: 36

約数和(自身を含む): 45438120

約数和(自身を除く): 26838700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18979, 37958, 75916, 94895, 132853, 189790, 265706, 379580, 531412, 664265, 929971, 1328530, 1859942, 2657060, 3719884, 4649855, 9299710, 18599420]

約数ペア:

[(1, 18599420), (2, 9299710), (4, 4649855), (5, 3719884), (7, 2657060), (10, 1859942), (14, 1328530), (20, 929971), (28, 664265), (35, 531412), (49, 379580), (70, 265706), (98, 189790), (140, 132853), (196, 94895), (245, 75916), (490, 37958), (980, 18979)]