19832820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47221}}^1$

素因数の和:47240

約数の個数: 48

約数和(自身を含む): 63466368

約数和(自身を除く): 43633548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47221, 94442, 141663, 188884, 236105, 283326, 330547, 472210, 566652, 661094, 708315, 944420, 991641, 1322188, 1416630, 1652735, 1983282, 2833260, 3305470, 3966564, 4958205, 6610940, 9916410, 19832820]

約数ペア:

[(1, 19832820), (2, 9916410), (3, 6610940), (4, 4958205), (5, 3966564), (6, 3305470), (7, 2833260), (10, 1983282), (12, 1652735), (14, 1416630), (15, 1322188), (20, 991641), (21, 944420), (28, 708315), (30, 661094), (35, 566652), (42, 472210), (60, 330547), (70, 283326), (84, 236105), (105, 188884), (140, 141663), (210, 94442), (420, 47221)]