19890488

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{6079}}^1$

素因数の和:6494

約数の個数: 16

約数和(自身を含む): 37392000

約数和(自身を除く): 17501512

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 6079, 12158, 24316, 48632, 2486311, 4972622, 9945244, 19890488]

約数ペア:

[(1, 19890488), (2, 9945244), (4, 4972622), (8, 2486311), (409, 48632), (818, 24316), (1636, 12158), (3272, 6079)]