18720483

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{883}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 25798656

約数和(自身を除く): 7078173

約数列:

[1, 3, 37, 111, 191, 573, 883, 2649, 7067, 21201, 32671, 98013, 168653, 505959, 6240161, 18720483]

約数ペア:

[(1, 18720483), (3, 6240161), (37, 505959), (111, 168653), (191, 98013), (573, 32671), (883, 21201), (2649, 7067)]