19567216

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18253}}^1$

素因数の和:18328

約数の個数: 20

約数和(自身を含む): 38479432

約数和(自身を除く): 18912216

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18253, 36506, 73012, 146024, 292048, 1222951, 2445902, 4891804, 9783608, 19567216]

約数ペア:

[(1, 19567216), (2, 9783608), (4, 4891804), (8, 2445902), (16, 1222951), (67, 292048), (134, 146024), (268, 73012), (536, 36506), (1072, 18253)]