19474377

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 28565568

約数和(自身を除く): 9091191

約数列:

[1, 3, 13, 39, 71, 169, 213, 507, 541, 923, 1623, 2769, 7033, 11999, 21099, 35997, 38411, 91429, 115233, 274287, 499343, 1498029, 6491459, 19474377]

約数ペア:

[(1, 19474377), (3, 6491459), (13, 1498029), (39, 499343), (71, 274287), (169, 115233), (213, 91429), (507, 38411), (541, 35997), (923, 21099), (1623, 11999), (2769, 7033)]