18955326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3329}}^1$

素因数の和:3420

約数の個数: 32

約数和(自身を含む): 41398560

約数和(自身を除く): 22443234

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 3329, 5694, 6658, 9987, 19974, 43277, 86554, 129831, 243017, 259662, 486034, 729051, 1458102, 3159221, 6318442, 9477663, 18955326]

約数ペア:

[(1, 18955326), (2, 9477663), (3, 6318442), (6, 3159221), (13, 1458102), (26, 729051), (39, 486034), (73, 259662), (78, 243017), (146, 129831), (219, 86554), (438, 43277), (949, 19974), (1898, 9987), (2847, 6658), (3329, 5694)]