18825748

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 34128864

約数和(自身を除く): 15303116

約数列:

[1, 2, 4, 37, 74, 131, 148, 262, 524, 971, 1942, 3884, 4847, 9694, 19388, 35927, 71854, 127201, 143708, 254402, 508804, 4706437, 9412874, 18825748]

約数ペア:

[(1, 18825748), (2, 9412874), (4, 4706437), (37, 508804), (74, 254402), (131, 143708), (148, 127201), (262, 71854), (524, 35927), (971, 19388), (1942, 9694), (3884, 4847)]