19813638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{254021}}^1$

素因数の和:254039

約数の個数: 16

約数和(自身を含む): 42675696

約数和(自身を除く): 22862058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 254021, 508042, 762063, 1524126, 3302273, 6604546, 9906819, 19813638]

約数ペア:

[(1, 19813638), (2, 9906819), (3, 6604546), (6, 3302273), (13, 1524126), (26, 762063), (39, 508042), (78, 254021)]