19638045

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{2309}}^1$

素因数の和:2336

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 20722275

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2309, 2835, 6927, 8505, 11545, 16163, 20781, 34635, 48489, 62343, 80815, 103905, 145467, 187029, 242445, 311715, 436401, 561087, 727335, 935145, 1309203, 2182005, 2805435, 3927609, 6546015, 19638045]

約数ペア:

[(1, 19638045), (3, 6546015), (5, 3927609), (7, 2805435), (9, 2182005), (15, 1309203), (21, 935145), (27, 727335), (35, 561087), (45, 436401), (63, 311715), (81, 242445), (105, 187029), (135, 145467), (189, 103905), (243, 80815), (315, 62343), (405, 48489), (567, 34635), (945, 20781), (1215, 16163), (1701, 11545), (2309, 8505), (2835, 6927)]