19984290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666143}}^1$

素因数の和:666153

約数の個数: 16

約数和(自身を含む): 47962368

約数和(自身を除く): 27978078

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666143, 1332286, 1998429, 3330715, 3996858, 6661430, 9992145, 19984290]

約数ペア:

[(1, 19984290), (2, 9992145), (3, 6661430), (5, 3996858), (6, 3330715), (10, 1998429), (15, 1332286), (30, 666143)]