19777366

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 36000000

約数和(自身を除く): 16222634

約数列:

[1, 2, 7, 14, 19, 38, 133, 149, 266, 298, 499, 998, 1043, 2086, 2831, 3493, 5662, 6986, 9481, 18962, 19817, 39634, 66367, 74351, 132734, 148702, 520457, 1040914, 1412669, 2825338, 9888683, 19777366]

約数ペア:

[(1, 19777366), (2, 9888683), (7, 2825338), (14, 1412669), (19, 1040914), (38, 520457), (133, 148702), (149, 132734), (266, 74351), (298, 66367), (499, 39634), (998, 19817), (1043, 18962), (2086, 9481), (2831, 6986), (3493, 5662)]