19725762

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1301}}^1$

素因数の和:1351

約数の個数: 48

約数和(自身を含む): 47621952

約数和(自身を除く): 27896190

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 361, 399, 722, 798, 1083, 1301, 2166, 2527, 2602, 3903, 5054, 7581, 7806, 9107, 15162, 18214, 24719, 27321, 49438, 54642, 74157, 148314, 173033, 346066, 469661, 519099, 939322, 1038198, 1408983, 2817966, 3287627, 6575254, 9862881, 19725762]

約数ペア:

[(1, 19725762), (2, 9862881), (3, 6575254), (6, 3287627), (7, 2817966), (14, 1408983), (19, 1038198), (21, 939322), (38, 519099), (42, 469661), (57, 346066), (114, 173033), (133, 148314), (266, 74157), (361, 54642), (399, 49438), (722, 27321), (798, 24719), (1083, 18214), (1301, 15162), (2166, 9107), (2527, 7806), (2602, 7581), (3903, 5054)]