18003839

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 21411840

約数和(自身を除く): 3408001

約数列:

[1, 7, 31, 163, 217, 509, 1141, 3563, 5053, 15779, 35371, 82967, 110453, 580769, 2571977, 18003839]

約数ペア:

[(1, 18003839), (7, 2571977), (31, 580769), (163, 110453), (217, 82967), (509, 35371), (1141, 15779), (3563, 5053)]