18663846

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{19813}}^1$

素因数の和:19975

約数の個数: 16

約数和(自身を含む): 37567344

約数和(自身を除く): 18903498

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 19813, 39626, 59439, 118878, 3110641, 6221282, 9331923, 18663846]

約数ペア:

[(1, 18663846), (2, 9331923), (3, 6221282), (6, 3110641), (157, 118878), (314, 59439), (471, 39626), (942, 19813)]