19686561

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 29196288

約数和(自身を除く): 9509727

約数列:

[1, 3, 17, 43, 47, 51, 129, 141, 191, 573, 731, 799, 2021, 2193, 2397, 3247, 6063, 8213, 8977, 9741, 24639, 26931, 34357, 103071, 139621, 152609, 386011, 418863, 457827, 1158033, 6562187, 19686561]

約数ペア:

[(1, 19686561), (3, 6562187), (17, 1158033), (43, 457827), (47, 418863), (51, 386011), (129, 152609), (141, 139621), (191, 103071), (573, 34357), (731, 26931), (799, 24639), (2021, 9741), (2193, 8977), (2397, 8213), (3247, 6063)]