19389956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2477}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 36079680

約数和(自身を除く): 16689724

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 2477, 3914, 4954, 7828, 9908, 47063, 94126, 188252, 255131, 510262, 1020524, 4847489, 9694978, 19389956]

約数ペア:

[(1, 19389956), (2, 9694978), (4, 4847489), (19, 1020524), (38, 510262), (76, 255131), (103, 188252), (206, 94126), (412, 47063), (1957, 9908), (2477, 7828), (3914, 4954)]