19981049

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 22377600

約数和(自身を除く): 2396551

約数列:

[1, 11, 73, 149, 167, 803, 1639, 1837, 10877, 12191, 24883, 119647, 134101, 273713, 1816459, 19981049]

約数ペア:

[(1, 19981049), (11, 1816459), (73, 273713), (149, 134101), (167, 119647), (803, 24883), (1639, 12191), (1837, 10877)]