19680828

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{15923}}^1$

素因数の和:16033

約数の個数: 24

約数和(自身を含む): 46370688

約数和(自身を除く): 26689860

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 15923, 31846, 47769, 63692, 95538, 191076, 1640069, 3280138, 4920207, 6560276, 9840414, 19680828]

約数ペア:

[(1, 19680828), (2, 9840414), (3, 6560276), (4, 4920207), (6, 3280138), (12, 1640069), (103, 191076), (206, 95538), (309, 63692), (412, 47769), (618, 31846), (1236, 15923)]