18735824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61631}}^1$

素因数の和:61658

約数の個数: 20

約数和(自身を含む): 38211840

約数和(自身を除く): 19476016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61631, 123262, 246524, 493048, 986096, 1170989, 2341978, 4683956, 9367912, 18735824]

約数ペア:

[(1, 18735824), (2, 9367912), (4, 4683956), (8, 2341978), (16, 1170989), (19, 986096), (38, 493048), (76, 246524), (152, 123262), (304, 61631)]