18868605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2531}}^1$

素因数の和:2617

約数の個数: 32

約数和(自身を含む): 35002368

約数和(自身を除く): 16133763

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 2531, 7455, 7593, 12655, 17717, 37965, 53151, 88585, 179701, 265755, 539103, 898505, 1257907, 2695515, 3773721, 6289535, 18868605]

約数ペア:

[(1, 18868605), (3, 6289535), (5, 3773721), (7, 2695515), (15, 1257907), (21, 898505), (35, 539103), (71, 265755), (105, 179701), (213, 88585), (355, 53151), (497, 37965), (1065, 17717), (1491, 12655), (2485, 7593), (2531, 7455)]