19408060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138629}}^1$

素因数の和:138645

約数の個数: 24

約数和(自身を含む): 46579680

約数和(自身を除く): 27171620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138629, 277258, 554516, 693145, 970403, 1386290, 1940806, 2772580, 3881612, 4852015, 9704030, 19408060]

約数ペア:

[(1, 19408060), (2, 9704030), (4, 4852015), (5, 3881612), (7, 2772580), (10, 1940806), (14, 1386290), (20, 970403), (28, 693145), (35, 554516), (70, 277258), (140, 138629)]