18988611

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1170

約数の個数: 16

約数和(自身を含む): 26072064

約数和(自身を除く): 7083453

約数列:

[1, 3, 47, 137, 141, 411, 983, 2949, 6439, 19317, 46201, 134671, 138603, 404013, 6329537, 18988611]

約数ペア:

[(1, 18988611), (3, 6329537), (47, 404013), (137, 138603), (141, 134671), (411, 46201), (983, 19317), (2949, 6439)]