19217828

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3449}}^1$

素因数の和:3659

約数の個数: 24

約数和(自身を含む): 38640000

約数和(自身を除く): 19422172

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 3449, 5572, 6898, 13796, 24143, 48286, 96572, 686351, 1372702, 2745404, 4804457, 9608914, 19217828]

約数ペア:

[(1, 19217828), (2, 9608914), (4, 4804457), (7, 2745404), (14, 1372702), (28, 686351), (199, 96572), (398, 48286), (796, 24143), (1393, 13796), (2786, 6898), (3449, 5572)]