18419898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{438569}}^1$

素因数の和:438581

約数の個数: 16

約数和(自身を含む): 42102720

約数和(自身を除く): 23682822

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 438569, 877138, 1315707, 2631414, 3069983, 6139966, 9209949, 18419898]

約数ペア:

[(1, 18419898), (2, 9209949), (3, 6139966), (6, 3069983), (7, 2631414), (14, 1315707), (21, 877138), (42, 438569)]