18619868

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 33243840

約数和(自身を除く): 14623972

約数列:

[1, 2, 4, 89, 178, 193, 271, 356, 386, 542, 772, 1084, 17177, 24119, 34354, 48238, 52303, 68708, 96476, 104606, 209212, 4654967, 9309934, 18619868]

約数ペア:

[(1, 18619868), (2, 9309934), (4, 4654967), (89, 209212), (178, 104606), (193, 96476), (271, 68708), (356, 52303), (386, 48238), (542, 34354), (772, 24119), (1084, 17177)]