19408760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69317}}^1$

素因数の和:69335

約数の個数: 32

約数和(自身を含む): 49908960

約数和(自身を除く): 30500200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69317, 138634, 277268, 346585, 485219, 554536, 693170, 970438, 1386340, 1940876, 2426095, 2772680, 3881752, 4852190, 9704380, 19408760]

約数ペア:

[(1, 19408760), (2, 9704380), (4, 4852190), (5, 3881752), (7, 2772680), (8, 2426095), (10, 1940876), (14, 1386340), (20, 970438), (28, 693170), (35, 554536), (40, 485219), (56, 346585), (70, 277268), (140, 138634), (280, 69317)]