18680455899

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2351}}^1\times {\mathrm{2473}}^1$

素因数の和:4857

約数の個数: 64

約数和(自身を含む): 33516564480

約数和(自身を除く): 14836108581

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 2351, 2473, 3213, 7053, 7419, 16457, 17311, 21159, 22257, 39967, 42041, 49371, 51933, 63477, 66771, 119901, 126123, 148113, 155799, 279769, 294287, 359703, 378369, 444339, 467397, 839307, 882861, 1079109, 1135107, 2517921, 2648583, 5814023, 7553763, 7945749, 17442069, 40698161, 52326207, 98838391, 122094483, 156978621, 296515173, 366283449, 691868737, 889545519, 1098850347, 2075606211, 2668636557, 6226818633, 18680455899]

約数ペア:

[(1, 18680455899), (3, 6226818633), (7, 2668636557), (9, 2075606211), (17, 1098850347), (21, 889545519), (27, 691868737), (51, 366283449), (63, 296515173), (119, 156978621), (153, 122094483), (189, 98838391), (357, 52326207), (459, 40698161), (1071, 17442069), (2351, 7945749), (2473, 7553763), (3213, 5814023), (7053, 2648583), (7419, 2517921), (16457, 1135107), (17311, 1079109), (21159, 882861), (22257, 839307), (39967, 467397), (42041, 444339), (49371, 378369), (51933, 359703), (63477, 294287), (66771, 279769), (119901, 155799), (126123, 148113)]