18716943

素因数分解:

$3^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1483}}^1$

素因数の和:2094

約数の個数: 16

約数和(自身を含む): 28587776

約数和(自身を除く): 9870833

約数列:

[1, 3, 7, 21, 601, 1483, 1803, 4207, 4449, 10381, 12621, 31143, 891283, 2673849, 6238981, 18716943]

約数ペア:

[(1, 18716943), (3, 6238981), (7, 2673849), (21, 891283), (601, 31143), (1483, 12621), (1803, 10381), (4207, 4449)]