19713415

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 26199936

約数和(自身を除く): 6486521

約数列:

[1, 5, 23, 37, 41, 113, 115, 185, 205, 565, 851, 943, 1517, 2599, 4181, 4255, 4633, 4715, 7585, 12995, 20905, 23165, 34891, 96163, 106559, 171421, 174455, 480815, 532795, 857105, 3942683, 19713415]

約数ペア:

[(1, 19713415), (5, 3942683), (23, 857105), (37, 532795), (41, 480815), (113, 174455), (115, 171421), (185, 106559), (205, 96163), (565, 34891), (851, 23165), (943, 20905), (1517, 12995), (2599, 7585), (4181, 4715), (4255, 4633)]