18137666

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 11929534

約数列:

[1, 2, 19, 31, 38, 62, 89, 173, 178, 346, 589, 1178, 1691, 2759, 3287, 3382, 5363, 5518, 6574, 10726, 15397, 30794, 52421, 101897, 104842, 203794, 292543, 477307, 585086, 954614, 9068833, 18137666]

約数ペア:

[(1, 18137666), (2, 9068833), (19, 954614), (31, 585086), (38, 477307), (62, 292543), (89, 203794), (173, 104842), (178, 101897), (346, 52421), (589, 30794), (1178, 15397), (1691, 10726), (2759, 6574), (3287, 5518), (3382, 5363)]