18538528

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{30491}}^1$

素因数の和:30520

約数の個数: 24

約数和(自身を含む): 38419920

約数和(自身を除く): 19881392

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 30491, 60982, 121964, 243928, 487856, 579329, 975712, 1158658, 2317316, 4634632, 9269264, 18538528]

約数ペア:

[(1, 18538528), (2, 9269264), (4, 4634632), (8, 2317316), (16, 1158658), (19, 975712), (32, 579329), (38, 487856), (76, 243928), (152, 121964), (304, 60982), (608, 30491)]