19280716

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 45158400

約数和(自身を除く): 25877684

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 47, 49, 52, 91, 92, 94, 98, 161, 182, 188, 196, 299, 322, 329, 343, 364, 598, 611, 637, 644, 658, 686, 1081, 1127, 1196, 1222, 1274, 1316, 1372, 2093, 2162, 2254, 2303, 2444, 2548, 4186, 4277, 4324, 4459, 4508, 4606, 7567, 7889, 8372, 8554, 8918, 9212, 14053, 14651, 15134, 15778, 16121, 17108, 17836, 28106, 29302, 29939, 30268, 31556, 32242, 52969, 56212, 58604, 59878, 64484, 98371, 102557, 105938, 119756, 196742, 205114, 209573, 211876, 370783, 393484, 410228, 419146, 688597, 741566, 838292, 1377194, 1483132, 2754388, 4820179, 9640358, 19280716]

約数ペア:

[(1, 19280716), (2, 9640358), (4, 4820179), (7, 2754388), (13, 1483132), (14, 1377194), (23, 838292), (26, 741566), (28, 688597), (46, 419146), (47, 410228), (49, 393484), (52, 370783), (91, 211876), (92, 209573), (94, 205114), (98, 196742), (161, 119756), (182, 105938), (188, 102557), (196, 98371), (299, 64484), (322, 59878), (329, 58604), (343, 56212), (364, 52969), (598, 32242), (611, 31556), (637, 30268), (644, 29939), (658, 29302), (686, 28106), (1081, 17836), (1127, 17108), (1196, 16121), (1222, 15778), (1274, 15134), (1316, 14651), (1372, 14053), (2093, 9212), (2162, 8918), (2254, 8554), (2303, 8372), (2444, 7889), (2548, 7567), (4186, 4606), (4277, 4508), (4324, 4459)]