28097390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{147881}}^1$

素因数の和:147907

約数の個数: 16

約数和(自身を含む): 53237520

約数和(自身を除く): 25140130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 147881, 295762, 739405, 1478810, 2809739, 5619478, 14048695, 28097390]

約数ペア:

[(1, 28097390), (2, 14048695), (5, 5619478), (10, 2809739), (19, 1478810), (38, 739405), (95, 295762), (190, 147881)]