18308235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 34712064

約数和(自身を除く): 16403829

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 61, 85, 107, 165, 183, 187, 255, 305, 321, 535, 561, 671, 915, 935, 1037, 1177, 1605, 1819, 2013, 2805, 3111, 3355, 3531, 5185, 5457, 5885, 6527, 9095, 10065, 11407, 15555, 17655, 19581, 20009, 27285, 32635, 34221, 57035, 60027, 71797, 97905, 100045, 110959, 171105, 215391, 300135, 332877, 358985, 554795, 1076955, 1220549, 1664385, 3661647, 6102745, 18308235]

約数ペア:

[(1, 18308235), (3, 6102745), (5, 3661647), (11, 1664385), (15, 1220549), (17, 1076955), (33, 554795), (51, 358985), (55, 332877), (61, 300135), (85, 215391), (107, 171105), (165, 110959), (183, 100045), (187, 97905), (255, 71797), (305, 60027), (321, 57035), (535, 34221), (561, 32635), (671, 27285), (915, 20009), (935, 19581), (1037, 17655), (1177, 15555), (1605, 11407), (1819, 10065), (2013, 9095), (2805, 6527), (3111, 5885), (3355, 5457), (3531, 5185)]