18572853

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 27970432

約数和(自身を除く): 9397579

約数列:

[1, 3, 13, 37, 39, 61, 111, 183, 211, 481, 633, 793, 1443, 2257, 2379, 2743, 6771, 7807, 8229, 12871, 23421, 29341, 38613, 88023, 101491, 167323, 304473, 476227, 501969, 1428681, 6190951, 18572853]

約数ペア:

[(1, 18572853), (3, 6190951), (13, 1428681), (37, 501969), (39, 476227), (61, 304473), (111, 167323), (183, 101491), (211, 88023), (481, 38613), (633, 29341), (793, 23421), (1443, 12871), (2257, 8229), (2379, 7807), (2743, 6771)]