19047280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:183

約数の個数: 120

約数和(自身を含む): 53179632

約数和(自身を除く): 34132352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 113, 140, 172, 196, 215, 226, 245, 280, 301, 344, 392, 430, 452, 490, 560, 565, 602, 688, 784, 791, 860, 904, 980, 1130, 1204, 1505, 1582, 1720, 1808, 1960, 2107, 2260, 2408, 3010, 3164, 3440, 3920, 3955, 4214, 4520, 4816, 4859, 5537, 6020, 6328, 7910, 8428, 9040, 9718, 10535, 11074, 12040, 12656, 15820, 16856, 19436, 21070, 22148, 24080, 24295, 27685, 31640, 33712, 34013, 38872, 42140, 44296, 48590, 55370, 63280, 68026, 77744, 84280, 88592, 97180, 110740, 136052, 168560, 170065, 194360, 221480, 238091, 272104, 340130, 388720, 442960, 476182, 544208, 680260, 952364, 1190455, 1360520, 1904728, 2380910, 2721040, 3809456, 4761820, 9523640, 19047280]

約数ペア:

[(1, 19047280), (2, 9523640), (4, 4761820), (5, 3809456), (7, 2721040), (8, 2380910), (10, 1904728), (14, 1360520), (16, 1190455), (20, 952364), (28, 680260), (35, 544208), (40, 476182), (43, 442960), (49, 388720), (56, 340130), (70, 272104), (80, 238091), (86, 221480), (98, 194360), (112, 170065), (113, 168560), (140, 136052), (172, 110740), (196, 97180), (215, 88592), (226, 84280), (245, 77744), (280, 68026), (301, 63280), (344, 55370), (392, 48590), (430, 44296), (452, 42140), (490, 38872), (560, 34013), (565, 33712), (602, 31640), (688, 27685), (784, 24295), (791, 24080), (860, 22148), (904, 21070), (980, 19436), (1130, 16856), (1204, 15820), (1505, 12656), (1582, 12040), (1720, 11074), (1808, 10535), (1960, 9718), (2107, 9040), (2260, 8428), (2408, 7910), (3010, 6328), (3164, 6020), (3440, 5537), (3920, 4859), (3955, 4816), (4214, 4520)]