19485340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{337}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 48550320

約数和(自身を除く): 29064980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 337, 413, 490, 590, 674, 826, 980, 1180, 1348, 1652, 1685, 2065, 2359, 2891, 3370, 4130, 4718, 5782, 6740, 8260, 9436, 11564, 11795, 14455, 16513, 19883, 23590, 28910, 33026, 39766, 47180, 57820, 66052, 79532, 82565, 99415, 139181, 165130, 198830, 278362, 330260, 397660, 556724, 695905, 974267, 1391810, 1948534, 2783620, 3897068, 4871335, 9742670, 19485340]

約数ペア:

[(1, 19485340), (2, 9742670), (4, 4871335), (5, 3897068), (7, 2783620), (10, 1948534), (14, 1391810), (20, 974267), (28, 695905), (35, 556724), (49, 397660), (59, 330260), (70, 278362), (98, 198830), (118, 165130), (140, 139181), (196, 99415), (236, 82565), (245, 79532), (295, 66052), (337, 57820), (413, 47180), (490, 39766), (590, 33026), (674, 28910), (826, 23590), (980, 19883), (1180, 16513), (1348, 14455), (1652, 11795), (1685, 11564), (2065, 9436), (2359, 8260), (2891, 6740), (3370, 5782), (4130, 4718)]