19983786

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{7949}}^1$

素因数の和:8373

約数の個数: 16

約数和(自身を含む): 40068000

約数和(自身を除く): 20084214

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 7949, 15898, 23847, 47694, 3330631, 6661262, 9991893, 19983786]

約数ペア:

[(1, 19983786), (2, 9991893), (3, 6661262), (6, 3330631), (419, 47694), (838, 23847), (1257, 15898), (2514, 7949)]