19328680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69031}}^1$

素因数の和:69049

約数の個数: 32

約数和(自身を含む): 49703040

約数和(自身を除く): 30374360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69031, 138062, 276124, 345155, 483217, 552248, 690310, 966434, 1380620, 1932868, 2416085, 2761240, 3865736, 4832170, 9664340, 19328680]

約数ペア:

[(1, 19328680), (2, 9664340), (4, 4832170), (5, 3865736), (7, 2761240), (8, 2416085), (10, 1932868), (14, 1380620), (20, 966434), (28, 690310), (35, 552248), (40, 483217), (56, 345155), (70, 276124), (140, 138062), (280, 69031)]