19536418

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 33203520

約数和(自身を除く): 13667102

約数列:

[1, 2, 11, 22, 41, 82, 121, 179, 242, 358, 451, 902, 1331, 1969, 2662, 3938, 4961, 7339, 9922, 14678, 21659, 43318, 54571, 80729, 109142, 161458, 238249, 476498, 888019, 1776038, 9768209, 19536418]

約数ペア:

[(1, 19536418), (2, 9768209), (11, 1776038), (22, 888019), (41, 476498), (82, 238249), (121, 161458), (179, 109142), (242, 80729), (358, 54571), (451, 43318), (902, 21659), (1331, 14678), (1969, 9922), (2662, 7339), (3938, 4961)]