19921185

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9419}}^1$

素因数の和:9477

約数の個数: 24

約数和(自身を含む): 35268480

約数和(自身を除く): 15347295

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9419, 28257, 47095, 84771, 141285, 423855, 442693, 1328079, 2213465, 3984237, 6640395, 19921185]

約数ペア:

[(1, 19921185), (3, 6640395), (5, 3984237), (9, 2213465), (15, 1328079), (45, 442693), (47, 423855), (141, 141285), (235, 84771), (423, 47095), (705, 28257), (2115, 9419)]