19989752

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{7549}}^1$

素因数の和:7886

約数の個数: 16

約数和(自身を含む): 37599000

約数和(自身を除く): 17609248

約数列:

[1, 2, 4, 8, 331, 662, 1324, 2648, 7549, 15098, 30196, 60392, 2498719, 4997438, 9994876, 19989752]

約数ペア:

[(1, 19989752), (2, 9994876), (4, 4997438), (8, 2498719), (331, 60392), (662, 30196), (1324, 15098), (2648, 7549)]