1999202354

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1\times {\mathrm{509}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 3110184000

約数和(自身を除く): 1110981646

約数列:

[1, 2, 43, 86, 109, 218, 419, 509, 838, 1018, 4687, 9374, 18017, 21887, 36034, 43774, 45671, 55481, 91342, 110962, 213271, 426542, 1963853, 2385683, 3927706, 4771366, 9170653, 18341306, 23246539, 46493078, 999601177, 1999202354]

約数ペア:

[(1, 1999202354), (2, 999601177), (43, 46493078), (86, 23246539), (109, 18341306), (218, 9170653), (419, 4771366), (509, 3927706), (838, 2385683), (1018, 1963853), (4687, 426542), (9374, 213271), (18017, 110962), (21887, 91342), (36034, 55481), (43774, 45671)]