19752978

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67187}}^1$

素因数の和:67206

約数の個数: 24

約数和(自身を含む): 45956592

約数和(自身を除く): 26203614

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 67187, 134374, 201561, 403122, 470309, 940618, 1410927, 2821854, 3292163, 6584326, 9876489, 19752978]

約数ペア:

[(1, 19752978), (2, 9876489), (3, 6584326), (6, 3292163), (7, 2821854), (14, 1410927), (21, 940618), (42, 470309), (49, 403122), (98, 201561), (147, 134374), (294, 67187)]