18966313

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 20744640

約数和(自身を除く): 1778327

約数列:

[1, 19, 41, 97, 251, 779, 1843, 3977, 4769, 10291, 24347, 75563, 195529, 462593, 998227, 18966313]

約数ペア:

[(1, 18966313), (19, 998227), (41, 462593), (97, 195529), (251, 75563), (779, 24347), (1843, 10291), (3977, 4769)]