19684185

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 13804455

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 1223, 3219, 3669, 5365, 6115, 16095, 18345, 35467, 45251, 106401, 135753, 177335, 226255, 532005, 678765, 1312279, 3936837, 6561395, 19684185]

約数ペア:

[(1, 19684185), (3, 6561395), (5, 3936837), (15, 1312279), (29, 678765), (37, 532005), (87, 226255), (111, 177335), (145, 135753), (185, 106401), (435, 45251), (555, 35467), (1073, 18345), (1223, 16095), (3219, 6115), (3669, 5365)]