19809678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{471659}}^1$

素因数の和:471671

約数の個数: 16

約数和(自身を含む): 45279360

約数和(自身を除く): 25469682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 471659, 943318, 1414977, 2829954, 3301613, 6603226, 9904839, 19809678]

約数ペア:

[(1, 19809678), (2, 9904839), (3, 6603226), (6, 3301613), (7, 2829954), (14, 1414977), (21, 943318), (42, 471659)]