31481860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{82847}}^1$

素因数の和:82875

約数の個数: 24

約数和(自身を含む): 69592320

約数和(自身を除く): 38110460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 82847, 165694, 331388, 414235, 828470, 1574093, 1656940, 3148186, 6296372, 7870465, 15740930, 31481860]

約数ペア:

[(1, 31481860), (2, 15740930), (4, 7870465), (5, 6296372), (10, 3148186), (19, 1656940), (20, 1574093), (38, 828470), (76, 414235), (95, 331388), (190, 165694), (380, 82847)]