18427428

素因数分解:

$2^2\times 3^2\times {\mathrm{511873}}^1$

素因数の和:511883

約数の個数: 18

約数和(自身を含む): 46580534

約数和(自身を除く): 28153106

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 511873, 1023746, 1535619, 2047492, 3071238, 4606857, 6142476, 9213714, 18427428]

約数ペア:

[(1, 18427428), (2, 9213714), (3, 6142476), (4, 4606857), (6, 3071238), (9, 2047492), (12, 1535619), (18, 1023746), (36, 511873)]