19719308

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3539}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 39648000

約数和(自身を除く): 19928692

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 3539, 5572, 7078, 14156, 24773, 49546, 99092, 704261, 1408522, 2817044, 4929827, 9859654, 19719308]

約数ペア:

[(1, 19719308), (2, 9859654), (4, 4929827), (7, 2817044), (14, 1408522), (28, 704261), (199, 99092), (398, 49546), (796, 24773), (1393, 14156), (2786, 7078), (3539, 5572)]