19402955

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2507

約数の個数: 24

約数和(自身を含む): 27572496

約数和(自身を除く): 8169541

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 2467, 7865, 12335, 27137, 32071, 135685, 160355, 298507, 352781, 1492535, 1763905, 3880591, 19402955]

約数ペア:

[(1, 19402955), (5, 3880591), (11, 1763905), (13, 1492535), (55, 352781), (65, 298507), (121, 160355), (143, 135685), (605, 32071), (715, 27137), (1573, 12335), (2467, 7865)]