28021390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{147481}}^1$

素因数の和:147507

約数の個数: 16

約数和(自身を含む): 53093520

約数和(自身を除く): 25072130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 147481, 294962, 737405, 1474810, 2802139, 5604278, 14010695, 28021390]

約数ペア:

[(1, 28021390), (2, 14010695), (5, 5604278), (10, 2802139), (19, 1474810), (38, 737405), (95, 294962), (190, 147481)]