19989932

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{443}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 36363600

約数和(自身を除く): 16373668

約数列:

[1, 2, 4, 29, 58, 116, 389, 443, 778, 886, 1556, 1772, 11281, 12847, 22562, 25694, 45124, 51388, 172327, 344654, 689308, 4997483, 9994966, 19989932]

約数ペア:

[(1, 19989932), (2, 9994966), (4, 4997483), (29, 689308), (58, 344654), (116, 172327), (389, 51388), (443, 45124), (778, 25694), (886, 22562), (1556, 12847), (1772, 11281)]