18380684

素因数分解:

$2^2\times 7^3\times {\mathrm{13397}}^1$

素因数の和:13422

約数の個数: 24

約数和(自身を含む): 37514400

約数和(自身を除く): 19133716

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 13397, 26794, 53588, 93779, 187558, 375116, 656453, 1312906, 2625812, 4595171, 9190342, 18380684]

約数ペア:

[(1, 18380684), (2, 9190342), (4, 4595171), (7, 2625812), (14, 1312906), (28, 656453), (49, 375116), (98, 187558), (196, 93779), (343, 53588), (686, 26794), (1372, 13397)]