18948944

素因数分解:

$2^4\times 7^1\times {\mathrm{367}}^1\times {\mathrm{461}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 42163968

約数和(自身を除く): 23215024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 367, 461, 734, 922, 1468, 1844, 2569, 2936, 3227, 3688, 5138, 5872, 6454, 7376, 10276, 12908, 20552, 25816, 41104, 51632, 169187, 338374, 676748, 1184309, 1353496, 2368618, 2706992, 4737236, 9474472, 18948944]

約数ペア:

[(1, 18948944), (2, 9474472), (4, 4737236), (7, 2706992), (8, 2368618), (14, 1353496), (16, 1184309), (28, 676748), (56, 338374), (112, 169187), (367, 51632), (461, 41104), (734, 25816), (922, 20552), (1468, 12908), (1844, 10276), (2569, 7376), (2936, 6454), (3227, 5872), (3688, 5138)]