19813534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1949}}^1$

素因数の和:2004

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 15567266

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 1949, 3898, 5083, 10166, 25337, 33133, 44827, 50674, 66266, 89654, 430729, 582751, 762059, 861458, 1165502, 1524118, 9906767, 19813534]

約数ペア:

[(1, 19813534), (2, 9906767), (13, 1524118), (17, 1165502), (23, 861458), (26, 762059), (34, 582751), (46, 430729), (221, 89654), (299, 66266), (391, 50674), (442, 44827), (598, 33133), (782, 25337), (1949, 10166), (3898, 5083)]