19542173

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 22874880

約数和(自身を除く): 3332707

約数列:

[1, 7, 73, 167, 229, 511, 1169, 1603, 12191, 16717, 38243, 85337, 117019, 267701, 2791739, 19542173]

約数ペア:

[(1, 19542173), (7, 2791739), (73, 267701), (167, 117019), (229, 85337), (511, 38243), (1169, 16717), (1603, 12191)]