19202680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68581}}^1$

素因数の和:68599

約数の個数: 32

約数和(自身を含む): 49379040

約数和(自身を除く): 30176360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68581, 137162, 274324, 342905, 480067, 548648, 685810, 960134, 1371620, 1920268, 2400335, 2743240, 3840536, 4800670, 9601340, 19202680]

約数ペア:

[(1, 19202680), (2, 9601340), (4, 4800670), (5, 3840536), (7, 2743240), (8, 2400335), (10, 1920268), (14, 1371620), (20, 960134), (28, 685810), (35, 548648), (40, 480067), (56, 342905), (70, 274324), (140, 137162), (280, 68581)]