18917234

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1409}}^1$

素因数の和:1562

約数の個数: 24

約数和(自身を含む): 33273180

約数和(自身を除く): 14355946

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1409, 1918, 2818, 6713, 9863, 13426, 19726, 69041, 138082, 193033, 386066, 1351231, 2702462, 9458617, 18917234]

約数ペア:

[(1, 18917234), (2, 9458617), (7, 2702462), (14, 1351231), (49, 386066), (98, 193033), (137, 138082), (274, 69041), (959, 19726), (1409, 13426), (1918, 9863), (2818, 6713)]