19444455

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1171}}^1$

素因数の和:1229

約数の個数: 40

約数和(自身を含む): 35736624

約数和(自身を除く): 16292169

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1171, 1845, 3321, 3513, 5535, 5855, 10539, 16605, 17565, 31617, 48011, 52695, 94851, 144033, 158085, 240055, 432099, 474255, 720165, 1296297, 2160495, 3888891, 6481485, 19444455]

約数ペア:

[(1, 19444455), (3, 6481485), (5, 3888891), (9, 2160495), (15, 1296297), (27, 720165), (41, 474255), (45, 432099), (81, 240055), (123, 158085), (135, 144033), (205, 94851), (369, 52695), (405, 48011), (615, 31617), (1107, 17565), (1171, 16605), (1845, 10539), (3321, 5855), (3513, 5535)]