19617080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70061}}^1$

素因数の和:70079

約数の個数: 32

約数和(自身を含む): 50444640

約数和(自身を除く): 30827560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70061, 140122, 280244, 350305, 490427, 560488, 700610, 980854, 1401220, 1961708, 2452135, 2802440, 3923416, 4904270, 9808540, 19617080]

約数ペア:

[(1, 19617080), (2, 9808540), (4, 4904270), (5, 3923416), (7, 2802440), (8, 2452135), (10, 1961708), (14, 1401220), (20, 980854), (28, 700610), (35, 560488), (40, 490427), (56, 350305), (70, 280244), (140, 140122), (280, 70061)]