19899228

素因数分解:

$2^2\times 3^1\times {\mathrm{397}}^1\times {\mathrm{4177}}^1$

素因数の和:4581

約数の個数: 24

約数和(自身を含む): 46559632

約数和(自身を除く): 26660404

約数列:

[1, 2, 3, 4, 6, 12, 397, 794, 1191, 1588, 2382, 4177, 4764, 8354, 12531, 16708, 25062, 50124, 1658269, 3316538, 4974807, 6633076, 9949614, 19899228]

約数ペア:

[(1, 19899228), (2, 9949614), (3, 6633076), (4, 4974807), (6, 3316538), (12, 1658269), (397, 50124), (794, 25062), (1191, 16708), (1588, 12531), (2382, 8354), (4177, 4764)]