19923410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11789}}^1$

素因数の和:11822

約数の個数: 24

約数和(自身を含む): 38836260

約数和(自身を除く): 18912850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11789, 23578, 58945, 117890, 153257, 306514, 766285, 1532570, 1992341, 3984682, 9961705, 19923410]

約数ペア:

[(1, 19923410), (2, 9961705), (5, 3984682), (10, 1992341), (13, 1532570), (26, 766285), (65, 306514), (130, 153257), (169, 117890), (338, 58945), (845, 23578), (1690, 11789)]