19839080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12097}}^1$

素因数の和:12149

約数の個数: 32

約数和(自身を含む): 45730440

約数和(自身を除く): 25891360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12097, 24194, 48388, 60485, 96776, 120970, 241940, 483880, 495977, 991954, 1983908, 2479885, 3967816, 4959770, 9919540, 19839080]

約数ペア:

[(1, 19839080), (2, 9919540), (4, 4959770), (5, 3967816), (8, 2479885), (10, 1983908), (20, 991954), (40, 495977), (41, 483880), (82, 241940), (164, 120970), (205, 96776), (328, 60485), (410, 48388), (820, 24194), (1640, 12097)]