19096720

素因数分解:

$2^4\times 5^1\times {\mathrm{238709}}^1$

素因数の和:238722

約数の個数: 20

約数和(自身を含む): 44400060

約数和(自身を除く): 25303340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238709, 477418, 954836, 1193545, 1909672, 2387090, 3819344, 4774180, 9548360, 19096720]

約数ペア:

[(1, 19096720), (2, 9548360), (4, 4774180), (5, 3819344), (8, 2387090), (10, 1909672), (16, 1193545), (20, 954836), (40, 477418), (80, 238709)]