19812692830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{257}}^1\times {\mathrm{1201}}^1$

素因数の和:1610

約数の個数: 96

約数和(自身を含む): 41999630112

約数和(自身を除く): 22186937282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 131, 245, 257, 262, 490, 514, 655, 917, 1201, 1285, 1310, 1799, 1834, 2402, 2570, 3598, 4585, 6005, 6419, 8407, 8995, 9170, 12010, 12593, 12838, 16814, 17990, 25186, 32095, 33667, 42035, 58849, 62965, 64190, 67334, 84070, 117698, 125930, 157331, 168335, 235669, 294245, 308657, 314662, 336670, 471338, 588490, 617314, 786655, 1101317, 1178345, 1543285, 1573310, 1649683, 2160599, 2202634, 2356690, 3086570, 3299366, 4321198, 5506585, 7709219, 8248415, 10802995, 11013170, 15124193, 15418438, 16496830, 21605990, 30248386, 38546095, 40434067, 75620965, 77092190, 80868134, 151241930, 202170335, 283038469, 404340670, 566076938, 1415192345, 1981269283, 2830384690, 3962538566, 9906346415, 19812692830]

約数ペア:

[(1, 19812692830), (2, 9906346415), (5, 3962538566), (7, 2830384690), (10, 1981269283), (14, 1415192345), (35, 566076938), (49, 404340670), (70, 283038469), (98, 202170335), (131, 151241930), (245, 80868134), (257, 77092190), (262, 75620965), (490, 40434067), (514, 38546095), (655, 30248386), (917, 21605990), (1201, 16496830), (1285, 15418438), (1310, 15124193), (1799, 11013170), (1834, 10802995), (2402, 8248415), (2570, 7709219), (3598, 5506585), (4585, 4321198), (6005, 3299366), (6419, 3086570), (8407, 2356690), (8995, 2202634), (9170, 2160599), (12010, 1649683), (12593, 1573310), (12838, 1543285), (16814, 1178345), (17990, 1101317), (25186, 786655), (32095, 617314), (33667, 588490), (42035, 471338), (58849, 336670), (62965, 314662), (64190, 308657), (67334, 294245), (84070, 235669), (117698, 168335), (125930, 157331)]