19712671

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 22786560

約数和(自身を除く): 3073889

約数列:

[1, 11, 19, 209, 257, 367, 2827, 4037, 4883, 6973, 53713, 76703, 94319, 1037509, 1792061, 19712671]

約数ペア:

[(1, 19712671), (11, 1792061), (19, 1037509), (209, 94319), (257, 76703), (367, 53713), (2827, 6973), (4037, 4883)]