19727820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:349

約数の個数: 192

約数和(自身を含む): 74511360

約数和(自身を除く): 54783540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 307, 315, 340, 357, 378, 420, 459, 476, 510, 540, 595, 612, 614, 630, 714, 756, 765, 918, 921, 945, 1020, 1071, 1190, 1228, 1260, 1428, 1530, 1535, 1785, 1836, 1842, 1890, 2142, 2149, 2295, 2380, 2763, 3060, 3070, 3213, 3570, 3684, 3780, 4284, 4298, 4590, 4605, 5219, 5355, 5526, 6140, 6426, 6447, 7140, 8289, 8596, 9180, 9210, 10438, 10710, 10745, 11052, 12852, 12894, 13815, 15657, 16065, 16578, 18420, 19341, 20876, 21420, 21490, 25788, 26095, 27630, 31314, 32130, 32235, 33156, 36533, 38682, 41445, 42980, 46971, 52190, 55260, 58023, 62628, 64260, 64470, 73066, 77364, 78285, 82890, 93942, 96705, 104380, 109599, 116046, 128940, 140913, 146132, 156570, 165780, 182665, 187884, 193410, 219198, 232092, 234855, 281826, 290115, 313140, 328797, 365330, 386820, 438396, 469710, 547995, 563652, 580230, 657594, 704565, 730660, 939420, 986391, 1095990, 1160460, 1315188, 1409130, 1643985, 1972782, 2191980, 2818260, 3287970, 3945564, 4931955, 6575940, 9863910, 19727820]

約数ペア:

[(1, 19727820), (2, 9863910), (3, 6575940), (4, 4931955), (5, 3945564), (6, 3287970), (7, 2818260), (9, 2191980), (10, 1972782), (12, 1643985), (14, 1409130), (15, 1315188), (17, 1160460), (18, 1095990), (20, 986391), (21, 939420), (27, 730660), (28, 704565), (30, 657594), (34, 580230), (35, 563652), (36, 547995), (42, 469710), (45, 438396), (51, 386820), (54, 365330), (60, 328797), (63, 313140), (68, 290115), (70, 281826), (84, 234855), (85, 232092), (90, 219198), (102, 193410), (105, 187884), (108, 182665), (119, 165780), (126, 156570), (135, 146132), (140, 140913), (153, 128940), (170, 116046), (180, 109599), (189, 104380), (204, 96705), (210, 93942), (238, 82890), (252, 78285), (255, 77364), (270, 73066), (306, 64470), (307, 64260), (315, 62628), (340, 58023), (357, 55260), (378, 52190), (420, 46971), (459, 42980), (476, 41445), (510, 38682), (540, 36533), (595, 33156), (612, 32235), (614, 32130), (630, 31314), (714, 27630), (756, 26095), (765, 25788), (918, 21490), (921, 21420), (945, 20876), (1020, 19341), (1071, 18420), (1190, 16578), (1228, 16065), (1260, 15657), (1428, 13815), (1530, 12894), (1535, 12852), (1785, 11052), (1836, 10745), (1842, 10710), (1890, 10438), (2142, 9210), (2149, 9180), (2295, 8596), (2380, 8289), (2763, 7140), (3060, 6447), (3070, 6426), (3213, 6140), (3570, 5526), (3684, 5355), (3780, 5219), (4284, 4605), (4298, 4590)]