19642893

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{653}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 27038976

約数和(自身を除く): 7396083

約数列:

[1, 3, 37, 111, 271, 653, 813, 1959, 10027, 24161, 30081, 72483, 176963, 530889, 6547631, 19642893]

約数ペア:

[(1, 19642893), (3, 6547631), (37, 530889), (111, 176963), (271, 72483), (653, 30081), (813, 24161), (1959, 10027)]