19816004992

素因数分解:

$2^7\times 7^1\times {\mathrm{419}}^1\times {\mathrm{52783}}^1$

素因数の和:53223

約数の個数: 64

約数和(自身を含む): 45225331200

約数和(自身を除く): 25409326208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 419, 448, 838, 896, 1676, 2933, 3352, 5866, 6704, 11732, 13408, 23464, 26816, 46928, 52783, 53632, 93856, 105566, 187712, 211132, 369481, 375424, 422264, 738962, 844528, 1477924, 1689056, 2955848, 3378112, 5911696, 6756224, 11823392, 22116077, 23646784, 44232154, 47293568, 88464308, 154812539, 176928616, 309625078, 353857232, 619250156, 707714464, 1238500312, 1415428928, 2477000624, 2830857856, 4954001248, 9908002496, 19816004992]

約数ペア:

[(1, 19816004992), (2, 9908002496), (4, 4954001248), (7, 2830857856), (8, 2477000624), (14, 1415428928), (16, 1238500312), (28, 707714464), (32, 619250156), (56, 353857232), (64, 309625078), (112, 176928616), (128, 154812539), (224, 88464308), (419, 47293568), (448, 44232154), (838, 23646784), (896, 22116077), (1676, 11823392), (2933, 6756224), (3352, 5911696), (5866, 3378112), (6704, 2955848), (11732, 1689056), (13408, 1477924), (23464, 844528), (26816, 738962), (46928, 422264), (52783, 375424), (53632, 369481), (93856, 211132), (105566, 187712)]