18274820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12517}}^1$

素因数の和:12599

約数の個数: 24

約数和(自身を含む): 38905944

約数和(自身を除く): 20631124

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 12517, 25034, 50068, 62585, 125170, 250340, 913741, 1827482, 3654964, 4568705, 9137410, 18274820]

約数ペア:

[(1, 18274820), (2, 9137410), (4, 4568705), (5, 3654964), (10, 1827482), (20, 913741), (73, 250340), (146, 125170), (292, 62585), (365, 50068), (730, 25034), (1460, 12517)]