18475540

素因数分解:

$2^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1601}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 38890152

約数和(自身を除く): 20414612

約数列:

[1, 2, 4, 5, 10, 20, 577, 1154, 1601, 2308, 2885, 3202, 5770, 6404, 8005, 11540, 16010, 32020, 923777, 1847554, 3695108, 4618885, 9237770, 18475540]

約数ペア:

[(1, 18475540), (2, 9237770), (4, 4618885), (5, 3695108), (10, 1847554), (20, 923777), (577, 32020), (1154, 16010), (1601, 11540), (2308, 8005), (2885, 6404), (3202, 5770)]