18749713

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 20520000

約数和(自身を除く): 1770287

約数列:

[1, 19, 37, 149, 179, 703, 2831, 3401, 5513, 6623, 26671, 104747, 125837, 506749, 986827, 18749713]

約数ペア:

[(1, 18749713), (19, 986827), (37, 506749), (149, 125837), (179, 104747), (703, 26671), (2831, 6623), (3401, 5513)]