2553670832

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{8400233}}^1$

素因数の和:8400260

約数の個数: 20

約数和(自身を含む): 5208145080

約数和(自身を除く): 2654474248

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 8400233, 16800466, 33600932, 67201864, 134403728, 159604427, 319208854, 638417708, 1276835416, 2553670832]

約数ペア:

[(1, 2553670832), (2, 1276835416), (4, 638417708), (8, 319208854), (16, 159604427), (19, 134403728), (38, 67201864), (76, 33600932), (152, 16800466), (304, 8400233)]