18227195

素因数分解:

$5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1237}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 25076928

約数和(自身を除く): 6849733

約数列:

[1, 5, 7, 35, 421, 1237, 2105, 2947, 6185, 8659, 14735, 43295, 520777, 2603885, 3645439, 18227195]

約数ペア:

[(1, 18227195), (5, 3645439), (7, 2603885), (35, 520777), (421, 43295), (1237, 14735), (2105, 8659), (2947, 6185)]