18836906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{2789}}^1$

素因数の和:3109

約数の個数: 16

約数和(自身を含む): 30935520

約数和(自身を除く): 12098614

約数列:

[1, 2, 11, 22, 307, 614, 2789, 3377, 5578, 6754, 30679, 61358, 856223, 1712446, 9418453, 18836906]

約数ペア:

[(1, 18836906), (2, 9418453), (11, 1712446), (22, 856223), (307, 61358), (614, 30679), (2789, 6754), (3377, 5578)]