19716477

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{11273}}^1$

素因数の和:11340

約数の個数: 16

約数和(自身を含む): 29222208

約数和(自身を除く): 9505731

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 11273, 33819, 124003, 372009, 597469, 1792407, 6572159, 19716477]

約数ペア:

[(1, 19716477), (3, 6572159), (11, 1792407), (33, 597469), (53, 372009), (159, 124003), (583, 33819), (1749, 11273)]