16639844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4507}}^1$

素因数の和:4595

約数の個数: 24

約数和(自身を含む): 31808448

約数和(自身を除く): 15168604

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 4507, 9014, 18028, 58591, 117182, 234364, 319997, 639994, 1279988, 4159961, 8319922, 16639844]

約数ペア:

[(1, 16639844), (2, 8319922), (4, 4159961), (13, 1279988), (26, 639994), (52, 319997), (71, 234364), (142, 117182), (284, 58591), (923, 18028), (1846, 9014), (3692, 4507)]