28178406

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{82393}}^1$

素因数の和:82420

約数の個数: 24

約数和(自身を含む): 64267320

約数和(自身を除く): 36088914

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 82393, 164786, 247179, 494358, 741537, 1483074, 1565467, 3130934, 4696401, 9392802, 14089203, 28178406]

約数ペア:

[(1, 28178406), (2, 14089203), (3, 9392802), (6, 4696401), (9, 3130934), (18, 1565467), (19, 1483074), (38, 741537), (57, 494358), (114, 247179), (171, 164786), (342, 82393)]