17990566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 30523392

約数和(自身を除く): 12532826

約数列:

[1, 2, 11, 22, 47, 94, 127, 137, 254, 274, 517, 1034, 1397, 1507, 2794, 3014, 5969, 6439, 11938, 12878, 17399, 34798, 65659, 70829, 131318, 141658, 191389, 382778, 817753, 1635506, 8995283, 17990566]

約数ペア:

[(1, 17990566), (2, 8995283), (11, 1635506), (22, 817753), (47, 382778), (94, 191389), (127, 141658), (137, 131318), (254, 70829), (274, 65659), (517, 34798), (1034, 17399), (1397, 12878), (1507, 11938), (2794, 6439), (3014, 5969)]