18657490

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{27847}}^1$

素因数の和:27921

約数の個数: 16

約数和(自身を含む): 34085952

約数和(自身を除く): 15428462

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 27847, 55694, 139235, 278470, 1865749, 3731498, 9328745, 18657490]

約数ペア:

[(1, 18657490), (2, 9328745), (5, 3731498), (10, 1865749), (67, 278470), (134, 139235), (335, 55694), (670, 27847)]