20131554272

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{128837}}^1$

素因数の和:129123

約数の個数: 48

約数和(自身を含む): 41882657040

約数和(自身を除く): 21751102768

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 257, 304, 514, 608, 1028, 2056, 4112, 4883, 8224, 9766, 19532, 39064, 78128, 128837, 156256, 257674, 515348, 1030696, 2061392, 2447903, 4122784, 4895806, 9791612, 19583224, 33111109, 39166448, 66222218, 78332896, 132444436, 264888872, 529777744, 629111071, 1059555488, 1258222142, 2516444284, 5032888568, 10065777136, 20131554272]

約数ペア:

[(1, 20131554272), (2, 10065777136), (4, 5032888568), (8, 2516444284), (16, 1258222142), (19, 1059555488), (32, 629111071), (38, 529777744), (76, 264888872), (152, 132444436), (257, 78332896), (304, 66222218), (514, 39166448), (608, 33111109), (1028, 19583224), (2056, 9791612), (4112, 4895806), (4883, 4122784), (8224, 2447903), (9766, 2061392), (19532, 1030696), (39064, 515348), (78128, 257674), (128837, 156256)]