138520336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{455659}}^1$

素因数の和:455686

約数の個数: 20

約数和(自身を含む): 282509200

約数和(自身を除く): 143988864

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 455659, 911318, 1822636, 3645272, 7290544, 8657521, 17315042, 34630084, 69260168, 138520336]

約数ペア:

[(1, 138520336), (2, 69260168), (4, 34630084), (8, 17315042), (16, 8657521), (19, 7290544), (38, 3645272), (76, 1822636), (152, 911318), (304, 455659)]