18974774

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 35332416

約数和(自身を除く): 16357642

約数列:

[1, 2, 7, 13, 14, 26, 91, 137, 182, 274, 761, 959, 1522, 1781, 1918, 3562, 5327, 9893, 10654, 12467, 19786, 24934, 69251, 104257, 138502, 208514, 729799, 1355341, 1459598, 2710682, 9487387, 18974774]

約数ペア:

[(1, 18974774), (2, 9487387), (7, 2710682), (13, 1459598), (14, 1355341), (26, 729799), (91, 208514), (137, 138502), (182, 104257), (274, 69251), (761, 24934), (959, 19786), (1522, 12467), (1781, 10654), (1918, 9893), (3562, 5327)]