18647005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6997}}^1$

素因数の和:7056

約数の個数: 16

約数和(自身を含む): 24688944

約数和(自身を除く): 6041939

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 6997, 34985, 90961, 286877, 454805, 1434385, 3729401, 18647005]

約数ペア:

[(1, 18647005), (5, 3729401), (13, 1434385), (41, 454805), (65, 286877), (205, 90961), (533, 34985), (2665, 6997)]