19944645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{189949}}^1$

素因数の和:189964

約数の個数: 16

約数和(自身を含む): 36470400

約数和(自身を除く): 16525755

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 189949, 569847, 949745, 1329643, 2849235, 3988929, 6648215, 19944645]

約数ペア:

[(1, 19944645), (3, 6648215), (5, 3988929), (7, 2849235), (15, 1329643), (21, 949745), (35, 569847), (105, 189949)]