18394990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 34577280

約数和(自身を除く): 16182290

約数列:

[1, 2, 5, 10, 29, 58, 137, 145, 274, 290, 463, 685, 926, 1370, 2315, 3973, 4630, 7946, 13427, 19865, 26854, 39730, 63431, 67135, 126862, 134270, 317155, 634310, 1839499, 3678998, 9197495, 18394990]

約数ペア:

[(1, 18394990), (2, 9197495), (5, 3678998), (10, 1839499), (29, 634310), (58, 317155), (137, 134270), (145, 126862), (274, 67135), (290, 63431), (463, 39730), (685, 26854), (926, 19865), (1370, 13427), (2315, 7946), (3973, 4630)]