18788385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16267}}^1$

素因数の和:16293

約数の個数: 32

約数和(自身を含む): 37481472

約数和(自身を除く): 18693087

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 16267, 48801, 81335, 113869, 178937, 244005, 341607, 536811, 569345, 894685, 1252559, 1708035, 2684055, 3757677, 6262795, 18788385]

約数ペア:

[(1, 18788385), (3, 6262795), (5, 3757677), (7, 2684055), (11, 1708035), (15, 1252559), (21, 894685), (33, 569345), (35, 536811), (55, 341607), (77, 244005), (105, 178937), (165, 113869), (231, 81335), (385, 48801), (1155, 16267)]