19139890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 45209664

約数和(自身を除く): 26069774

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 53, 55, 67, 70, 77, 98, 106, 110, 134, 154, 245, 265, 335, 371, 385, 469, 490, 530, 539, 583, 670, 737, 742, 770, 938, 1078, 1166, 1474, 1855, 2345, 2597, 2695, 2915, 3283, 3551, 3685, 3710, 4081, 4690, 5159, 5194, 5390, 5830, 6566, 7102, 7370, 8162, 10318, 12985, 16415, 17755, 20405, 24857, 25795, 25970, 28567, 32830, 35510, 36113, 39061, 40810, 49714, 51590, 57134, 72226, 78122, 124285, 142835, 173999, 180565, 195305, 248570, 273427, 285670, 347998, 361130, 390610, 546854, 869995, 1367135, 1739990, 1913989, 2734270, 3827978, 9569945, 19139890]

約数ペア:

[(1, 19139890), (2, 9569945), (5, 3827978), (7, 2734270), (10, 1913989), (11, 1739990), (14, 1367135), (22, 869995), (35, 546854), (49, 390610), (53, 361130), (55, 347998), (67, 285670), (70, 273427), (77, 248570), (98, 195305), (106, 180565), (110, 173999), (134, 142835), (154, 124285), (245, 78122), (265, 72226), (335, 57134), (371, 51590), (385, 49714), (469, 40810), (490, 39061), (530, 36113), (539, 35510), (583, 32830), (670, 28567), (737, 25970), (742, 25795), (770, 24857), (938, 20405), (1078, 17755), (1166, 16415), (1474, 12985), (1855, 10318), (2345, 8162), (2597, 7370), (2695, 7102), (2915, 6566), (3283, 5830), (3551, 5390), (3685, 5194), (3710, 5159), (4081, 4690)]