19861185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1097}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 34152192

約数和(自身を除く): 14291007

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1097, 1207, 3291, 3621, 5485, 6035, 16455, 18105, 18649, 55947, 77887, 93245, 233661, 279735, 389435, 1168305, 1324079, 3972237, 6620395, 19861185]

約数ペア:

[(1, 19861185), (3, 6620395), (5, 3972237), (15, 1324079), (17, 1168305), (51, 389435), (71, 279735), (85, 233661), (213, 93245), (255, 77887), (355, 55947), (1065, 18649), (1097, 18105), (1207, 16455), (3291, 6035), (3621, 5485)]