19496470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 42923520

約数和(自身を除く): 23427050

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 107, 133, 137, 190, 214, 266, 274, 535, 665, 685, 749, 959, 1070, 1330, 1370, 1498, 1918, 2033, 2603, 3745, 4066, 4795, 5206, 7490, 9590, 10165, 13015, 14231, 14659, 18221, 20330, 26030, 28462, 29318, 36442, 71155, 73295, 91105, 102613, 142310, 146590, 182210, 205226, 278521, 513065, 557042, 1026130, 1392605, 1949647, 2785210, 3899294, 9748235, 19496470]

約数ペア:

[(1, 19496470), (2, 9748235), (5, 3899294), (7, 2785210), (10, 1949647), (14, 1392605), (19, 1026130), (35, 557042), (38, 513065), (70, 278521), (95, 205226), (107, 182210), (133, 146590), (137, 142310), (190, 102613), (214, 91105), (266, 73295), (274, 71155), (535, 36442), (665, 29318), (685, 28462), (749, 26030), (959, 20330), (1070, 18221), (1330, 14659), (1370, 14231), (1498, 13015), (1918, 10165), (2033, 9590), (2603, 7490), (3745, 5206), (4066, 4795)]