19669761

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{569}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 10207359

約数列:

[1, 3, 9, 23, 69, 167, 207, 501, 569, 1503, 1707, 3841, 5121, 11523, 13087, 34569, 39261, 95023, 117783, 285069, 855207, 2185529, 6556587, 19669761]

約数ペア:

[(1, 19669761), (3, 6556587), (9, 2185529), (23, 855207), (69, 285069), (167, 117783), (207, 95023), (501, 39261), (569, 34569), (1503, 13087), (1707, 11523), (3841, 5121)]