18945948

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{4603}}^1$

素因数の和:4631

約数の個数: 48

約数和(自身を含む): 51564800

約数和(自身を除く): 32618852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 4603, 9206, 13809, 18412, 27618, 32221, 55236, 64442, 96663, 128884, 193326, 225547, 386652, 451094, 676641, 902188, 1353282, 1578829, 2706564, 3157658, 4736487, 6315316, 9472974, 18945948]

約数ペア:

[(1, 18945948), (2, 9472974), (3, 6315316), (4, 4736487), (6, 3157658), (7, 2706564), (12, 1578829), (14, 1353282), (21, 902188), (28, 676641), (42, 451094), (49, 386652), (84, 225547), (98, 193326), (147, 128884), (196, 96663), (294, 64442), (343, 55236), (588, 32221), (686, 27618), (1029, 18412), (1372, 13809), (2058, 9206), (4116, 4603)]