18937945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6199}}^1$

素因数の和:6264

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 6060455

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 6199, 30995, 80587, 291353, 402935, 1456765, 3787589, 18937945]

約数ペア:

[(1, 18937945), (5, 3787589), (13, 1456765), (47, 402935), (65, 291353), (235, 80587), (611, 30995), (3055, 6199)]