19851370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 47278080

約数和(自身を除く): 27426710

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 49, 55, 58, 70, 77, 98, 110, 127, 145, 154, 203, 245, 254, 290, 319, 385, 406, 490, 539, 635, 638, 770, 889, 1015, 1078, 1270, 1397, 1421, 1595, 1778, 2030, 2233, 2695, 2794, 2842, 3190, 3683, 4445, 4466, 5390, 6223, 6985, 7105, 7366, 8890, 9779, 11165, 12446, 13970, 14210, 15631, 18415, 19558, 22330, 25781, 31115, 31262, 36830, 40513, 48895, 51562, 62230, 68453, 78155, 81026, 97790, 128905, 136906, 156310, 180467, 202565, 257810, 283591, 342265, 360934, 405130, 567182, 684530, 902335, 1417955, 1804670, 1985137, 2835910, 3970274, 9925685, 19851370]

約数ペア:

[(1, 19851370), (2, 9925685), (5, 3970274), (7, 2835910), (10, 1985137), (11, 1804670), (14, 1417955), (22, 902335), (29, 684530), (35, 567182), (49, 405130), (55, 360934), (58, 342265), (70, 283591), (77, 257810), (98, 202565), (110, 180467), (127, 156310), (145, 136906), (154, 128905), (203, 97790), (245, 81026), (254, 78155), (290, 68453), (319, 62230), (385, 51562), (406, 48895), (490, 40513), (539, 36830), (635, 31262), (638, 31115), (770, 25781), (889, 22330), (1015, 19558), (1078, 18415), (1270, 15631), (1397, 14210), (1421, 13970), (1595, 12446), (1778, 11165), (2030, 9779), (2233, 8890), (2695, 7366), (2794, 7105), (2842, 6985), (3190, 6223), (3683, 5390), (4445, 4466)]