18395377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 27869184

約数和(自身を除く): 9473807

約数列:

[1, 7, 11, 13, 17, 23, 47, 77, 91, 119, 143, 161, 187, 221, 253, 299, 329, 391, 517, 611, 799, 1001, 1081, 1309, 1547, 1771, 2093, 2431, 2737, 3289, 3619, 4277, 4301, 5083, 5593, 6721, 7567, 8789, 10387, 11891, 14053, 17017, 18377, 23023, 30107, 35581, 47047, 55913, 61523, 72709, 83237, 98371, 114257, 128639, 154583, 202147, 238901, 391391, 799799, 1082081, 1415029, 1672307, 2627911, 18395377]

約数ペア:

[(1, 18395377), (7, 2627911), (11, 1672307), (13, 1415029), (17, 1082081), (23, 799799), (47, 391391), (77, 238901), (91, 202147), (119, 154583), (143, 128639), (161, 114257), (187, 98371), (221, 83237), (253, 72709), (299, 61523), (329, 55913), (391, 47047), (517, 35581), (611, 30107), (799, 23023), (1001, 18377), (1081, 17017), (1309, 14053), (1547, 11891), (1771, 10387), (2093, 8789), (2431, 7567), (2737, 6721), (3289, 5593), (3619, 5083), (4277, 4301)]