18572038

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4219}}^1$

素因数の和:4323

約数の個数: 16

約数和(自身を含む): 29168640

約数和(自身を除く): 10596602

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4219, 4402, 8438, 130789, 261578, 299549, 599098, 9286019, 18572038]

約数ペア:

[(1, 18572038), (2, 9286019), (31, 599098), (62, 299549), (71, 261578), (142, 130789), (2201, 8438), (4219, 4402)]