19889784

素因数分解:

$2^3\times 3^2\times {\mathrm{276247}}^1$

素因数の和:276259

約数の個数: 24

約数和(自身を含む): 53868360

約数和(自身を除く): 33978576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 276247, 552494, 828741, 1104988, 1657482, 2209976, 2486223, 3314964, 4972446, 6629928, 9944892, 19889784]

約数ペア:

[(1, 19889784), (2, 9944892), (3, 6629928), (4, 4972446), (6, 3314964), (8, 2486223), (9, 2209976), (12, 1657482), (18, 1104988), (24, 828741), (36, 552494), (72, 276247)]