18974654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{1439}}^1$

素因数の和:1807

約数の個数: 16

約数和(自身を含む): 30067200

約数和(自身を除く): 11092546

約数列:

[1, 2, 19, 38, 347, 694, 1439, 2878, 6593, 13186, 27341, 54682, 499333, 998666, 9487327, 18974654]

約数ペア:

[(1, 18974654), (2, 9487327), (19, 998666), (38, 499333), (347, 54682), (694, 27341), (1439, 13186), (2878, 6593)]