18739896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 53863680

約数和(自身を除く): 35123784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 331, 337, 662, 674, 993, 1011, 1324, 1348, 1986, 2022, 2317, 2359, 2648, 2696, 3972, 4044, 4634, 4718, 6951, 7077, 7944, 8088, 9268, 9436, 13902, 14154, 18536, 18872, 27804, 28308, 55608, 56616, 111547, 223094, 334641, 446188, 669282, 780829, 892376, 1338564, 1561658, 2342487, 2677128, 3123316, 4684974, 6246632, 9369948, 18739896]

約数ペア:

[(1, 18739896), (2, 9369948), (3, 6246632), (4, 4684974), (6, 3123316), (7, 2677128), (8, 2342487), (12, 1561658), (14, 1338564), (21, 892376), (24, 780829), (28, 669282), (42, 446188), (56, 334641), (84, 223094), (168, 111547), (331, 56616), (337, 55608), (662, 28308), (674, 27804), (993, 18872), (1011, 18536), (1324, 14154), (1348, 13902), (1986, 9436), (2022, 9268), (2317, 8088), (2359, 7944), (2648, 7077), (2696, 6951), (3972, 4718), (4044, 4634)]