19291244

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 40061952

約数和(自身を除く): 20770708

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 107, 137, 188, 214, 274, 329, 428, 548, 658, 749, 959, 1316, 1498, 1918, 2996, 3836, 5029, 6439, 10058, 12878, 14659, 20116, 25756, 29318, 35203, 45073, 58636, 70406, 90146, 102613, 140812, 180292, 205226, 410452, 688973, 1377946, 2755892, 4822811, 9645622, 19291244]

約数ペア:

[(1, 19291244), (2, 9645622), (4, 4822811), (7, 2755892), (14, 1377946), (28, 688973), (47, 410452), (94, 205226), (107, 180292), (137, 140812), (188, 102613), (214, 90146), (274, 70406), (329, 58636), (428, 45073), (548, 35203), (658, 29318), (749, 25756), (959, 20116), (1316, 14659), (1498, 12878), (1918, 10058), (2996, 6439), (3836, 5029)]