19589042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12541}}^1$

素因数の和:12625

約数の個数: 16

約数和(自身を含む): 32508864

約数和(自身を除く): 12919822

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12541, 25082, 137951, 275902, 890411, 1780822, 9794521, 19589042]

約数ペア:

[(1, 19589042), (2, 9794521), (11, 1780822), (22, 890411), (71, 275902), (142, 137951), (781, 25082), (1562, 12541)]