19620784900

素因数分解:

$2^2\times 5^2\times {\mathrm{727}}^1\times {\mathrm{269887}}^1$

素因数の和:270628

約数の個数: 36

約数和(自身を含む): 42635826688

約数和(自身を除く): 23015041788

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 727, 1454, 2908, 3635, 7270, 14540, 18175, 36350, 72700, 269887, 539774, 1079548, 1349435, 2698870, 5397740, 6747175, 13494350, 26988700, 196207849, 392415698, 784831396, 981039245, 1962078490, 3924156980, 4905196225, 9810392450, 19620784900]

約数ペア:

[(1, 19620784900), (2, 9810392450), (4, 4905196225), (5, 3924156980), (10, 1962078490), (20, 981039245), (25, 784831396), (50, 392415698), (100, 196207849), (727, 26988700), (1454, 13494350), (2908, 6747175), (3635, 5397740), (7270, 2698870), (14540, 1349435), (18175, 1079548), (36350, 539774), (72700, 269887)]