18892797

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{283}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 33480192

約数和(自身を除く): 14587395

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 283, 289, 357, 561, 849, 867, 1309, 1981, 2023, 3113, 3179, 3927, 4811, 5943, 6069, 9339, 9537, 14433, 21791, 22253, 33677, 52921, 65373, 66759, 81787, 101031, 158763, 245361, 370447, 572509, 899657, 1111341, 1717527, 2698971, 6297599, 18892797]

約数ペア:

[(1, 18892797), (3, 6297599), (7, 2698971), (11, 1717527), (17, 1111341), (21, 899657), (33, 572509), (51, 370447), (77, 245361), (119, 158763), (187, 101031), (231, 81787), (283, 66759), (289, 65373), (357, 52921), (561, 33677), (849, 22253), (867, 21791), (1309, 14433), (1981, 9537), (2023, 9339), (3113, 6069), (3179, 5943), (3927, 4811)]