19571680

素因数分解:

$2^5\times 5^1\times {\mathrm{122323}}^1$

素因数の和:122338

約数の個数: 24

約数和(自身を含む): 46238472

約数和(自身を除く): 26666792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 122323, 244646, 489292, 611615, 978584, 1223230, 1957168, 2446460, 3914336, 4892920, 9785840, 19571680]

約数ペア:

[(1, 19571680), (2, 9785840), (4, 4892920), (5, 3914336), (8, 2446460), (10, 1957168), (16, 1223230), (20, 978584), (32, 611615), (40, 489292), (80, 244646), (160, 122323)]