18664726

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7331}}^1$

素因数の和:7419

約数の個数: 16

約数和(自身を含む): 29914560

約数和(自身を除く): 11249834

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 7331, 14662, 139289, 278578, 491177, 982354, 9332363, 18664726]

約数ペア:

[(1, 18664726), (2, 9332363), (19, 982354), (38, 491177), (67, 278578), (134, 139289), (1273, 14662), (2546, 7331)]