19076990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 35308224

約数和(自身を除く): 16231234

約数列:

[1, 2, 5, 10, 71, 97, 142, 194, 277, 355, 485, 554, 710, 970, 1385, 2770, 6887, 13774, 19667, 26869, 34435, 39334, 53738, 68870, 98335, 134345, 196670, 268690, 1907699, 3815398, 9538495, 19076990]

約数ペア:

[(1, 19076990), (2, 9538495), (5, 3815398), (10, 1907699), (71, 268690), (97, 196670), (142, 134345), (194, 98335), (277, 68870), (355, 53738), (485, 39334), (554, 34435), (710, 26869), (970, 19667), (1385, 13774), (2770, 6887)]