19558809

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4973}}^1$

素因数の和:5021

約数の個数: 24

約数和(自身を含む): 31037760

約数和(自身を除く): 11478951

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 4973, 14919, 44757, 94487, 114379, 283461, 343137, 850383, 1029411, 2173201, 6519603, 19558809]

約数ペア:

[(1, 19558809), (3, 6519603), (9, 2173201), (19, 1029411), (23, 850383), (57, 343137), (69, 283461), (171, 114379), (207, 94487), (437, 44757), (1311, 14919), (3933, 4973)]