19643080

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{719}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 44323200

約数和(自身を除く): 24680120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 719, 1366, 1438, 2732, 2876, 3415, 3595, 5464, 5752, 6830, 7190, 13660, 14380, 27320, 28760, 491077, 982154, 1964308, 2455385, 3928616, 4910770, 9821540, 19643080]

約数ペア:

[(1, 19643080), (2, 9821540), (4, 4910770), (5, 3928616), (8, 2455385), (10, 1964308), (20, 982154), (40, 491077), (683, 28760), (719, 27320), (1366, 14380), (1438, 13660), (2732, 7190), (2876, 6830), (3415, 5752), (3595, 5464)]