19941663

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 32610816

約数和(自身を除く): 12669153

約数列:

[1, 3, 7, 17, 21, 51, 83, 119, 249, 357, 581, 673, 1411, 1743, 2019, 4233, 4711, 9877, 11441, 14133, 29631, 34323, 55859, 80087, 167577, 240261, 391013, 949603, 1173039, 2848809, 6647221, 19941663]

約数ペア:

[(1, 19941663), (3, 6647221), (7, 2848809), (17, 1173039), (21, 949603), (51, 391013), (83, 240261), (119, 167577), (249, 80087), (357, 55859), (581, 34323), (673, 29631), (1411, 14133), (1743, 11441), (2019, 9877), (4233, 4711)]