19984396698

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1\times {\mathrm{1093}}^1$

素因数の和:1321

約数の個数: 144

約数和(自身を含む): 51518683008

約数和(自身を除く): 31534286310

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 151, 186, 217, 279, 302, 434, 453, 558, 651, 906, 961, 1057, 1093, 1302, 1359, 1922, 1953, 2114, 2186, 2718, 2883, 3171, 3279, 3906, 4681, 5766, 6342, 6558, 6727, 7651, 8649, 9362, 9513, 9837, 13454, 14043, 15302, 17298, 19026, 19674, 20181, 22953, 28086, 32767, 33883, 40362, 42129, 45906, 60543, 65534, 67766, 68859, 84258, 98301, 101649, 121086, 137718, 145111, 165043, 196602, 203298, 237181, 290222, 294903, 304947, 330086, 435333, 474362, 495129, 589806, 609894, 711543, 870666, 990258, 1015777, 1050373, 1155301, 1305999, 1423086, 1485387, 2031554, 2100746, 2134629, 2310602, 2611998, 2970774, 3047331, 3151119, 3465903, 4269258, 5116333, 6094662, 6302238, 6931806, 7352611, 9141993, 9453357, 10232666, 10397709, 14705222, 15348999, 18283986, 18906714, 20795418, 22057833, 30697998, 35814331, 44115666, 46046997, 66173499, 71628662, 92093994, 107442993, 132346998, 158606323, 214885986, 317212646, 322328979, 475818969, 644657958, 951637938, 1110244261, 1427456907, 2220488522, 2854913814, 3330732783, 6661465566, 9992198349, 19984396698]

約数ペア:

[(1, 19984396698), (2, 9992198349), (3, 6661465566), (6, 3330732783), (7, 2854913814), (9, 2220488522), (14, 1427456907), (18, 1110244261), (21, 951637938), (31, 644657958), (42, 475818969), (62, 322328979), (63, 317212646), (93, 214885986), (126, 158606323), (151, 132346998), (186, 107442993), (217, 92093994), (279, 71628662), (302, 66173499), (434, 46046997), (453, 44115666), (558, 35814331), (651, 30697998), (906, 22057833), (961, 20795418), (1057, 18906714), (1093, 18283986), (1302, 15348999), (1359, 14705222), (1922, 10397709), (1953, 10232666), (2114, 9453357), (2186, 9141993), (2718, 7352611), (2883, 6931806), (3171, 6302238), (3279, 6094662), (3906, 5116333), (4681, 4269258), (5766, 3465903), (6342, 3151119), (6558, 3047331), (6727, 2970774), (7651, 2611998), (8649, 2310602), (9362, 2134629), (9513, 2100746), (9837, 2031554), (13454, 1485387), (14043, 1423086), (15302, 1305999), (17298, 1155301), (19026, 1050373), (19674, 1015777), (20181, 990258), (22953, 870666), (28086, 711543), (32767, 609894), (33883, 589806), (40362, 495129), (42129, 474362), (45906, 435333), (60543, 330086), (65534, 304947), (67766, 294903), (68859, 290222), (84258, 237181), (98301, 203298), (101649, 196602), (121086, 165043), (137718, 145111)]