19552761085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1\times {\mathrm{947}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 28071235584

約数和(自身を除く): 8518474499

約数列:

[1, 5, 11, 13, 55, 65, 67, 143, 335, 431, 715, 737, 871, 947, 2155, 3685, 4355, 4735, 4741, 5603, 9581, 10417, 12311, 23705, 28015, 28877, 47905, 52085, 61555, 61633, 63449, 135421, 144385, 308165, 317245, 317647, 375401, 408157, 677105, 697939, 824837, 1588235, 1877005, 2040785, 3489695, 4124185, 4129411, 4489727, 5306041, 9073207, 20647055, 22448635, 26530205, 27346519, 45366035, 58366451, 136732595, 291832255, 300811709, 355504747, 1504058545, 1777523735, 3910552217, 19552761085]

約数ペア:

[(1, 19552761085), (5, 3910552217), (11, 1777523735), (13, 1504058545), (55, 355504747), (65, 300811709), (67, 291832255), (143, 136732595), (335, 58366451), (431, 45366035), (715, 27346519), (737, 26530205), (871, 22448635), (947, 20647055), (2155, 9073207), (3685, 5306041), (4355, 4489727), (4735, 4129411), (4741, 4124185), (5603, 3489695), (9581, 2040785), (10417, 1877005), (12311, 1588235), (23705, 824837), (28015, 697939), (28877, 677105), (47905, 408157), (52085, 375401), (61555, 317647), (61633, 317245), (63449, 308165), (135421, 144385)]