19883025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4651}}^1$

素因数の和:4686

約数の個数: 36

約数和(自身を含む): 37495120

約数和(自身を除く): 17612095

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 4651, 13953, 23255, 41859, 69765, 88369, 116275, 209295, 265107, 348825, 441845, 795321, 1046475, 1325535, 2209225, 3976605, 6627675, 19883025]

約数ペア:

[(1, 19883025), (3, 6627675), (5, 3976605), (9, 2209225), (15, 1325535), (19, 1046475), (25, 795321), (45, 441845), (57, 348825), (75, 265107), (95, 209295), (171, 116275), (225, 88369), (285, 69765), (475, 41859), (855, 23255), (1425, 13953), (4275, 4651)]