18509157025

素因数分解:

$5^2\times {\mathrm{67}}^2\times {\mathrm{131}}^1\times {\mathrm{1259}}^1$

素因数の和:1534

約数の個数: 36

約数和(自身を含む): 23495527440

約数和(自身を除く): 4986370415

約数列:

[1, 5, 25, 67, 131, 335, 655, 1259, 1675, 3275, 4489, 6295, 8777, 22445, 31475, 43885, 84353, 112225, 164929, 219425, 421765, 588059, 824645, 2108825, 2940295, 4123225, 5651651, 11050243, 14701475, 28258255, 55251215, 141291275, 276256075, 740366281, 3701831405, 18509157025]

約数ペア:

[(1, 18509157025), (5, 3701831405), (25, 740366281), (67, 276256075), (131, 141291275), (335, 55251215), (655, 28258255), (1259, 14701475), (1675, 11050243), (3275, 5651651), (4489, 4123225), (6295, 2940295), (8777, 2108825), (22445, 824645), (31475, 588059), (43885, 421765), (84353, 219425), (112225, 164929)]