19838670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^2$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 49161168

約数和(自身を除く): 29322498

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 127, 205, 246, 254, 381, 410, 615, 635, 762, 1230, 1270, 1905, 3810, 5207, 10414, 15621, 16129, 26035, 31242, 32258, 48387, 52070, 78105, 80645, 96774, 156210, 161290, 241935, 483870, 661289, 1322578, 1983867, 3306445, 3967734, 6612890, 9919335, 19838670]

約数ペア:

[(1, 19838670), (2, 9919335), (3, 6612890), (5, 3967734), (6, 3306445), (10, 1983867), (15, 1322578), (30, 661289), (41, 483870), (82, 241935), (123, 161290), (127, 156210), (205, 96774), (246, 80645), (254, 78105), (381, 52070), (410, 48387), (615, 32258), (635, 31242), (762, 26035), (1230, 16129), (1270, 15621), (1905, 10414), (3810, 5207)]