18751473

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1303}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 30670080

約数和(自身を除く): 11918607

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1303, 1599, 3909, 4797, 11727, 14391, 16939, 35181, 50817, 53423, 152451, 160269, 457353, 480807, 694499, 1442421, 2083497, 6250491, 18751473]

約数ペア:

[(1, 18751473), (3, 6250491), (9, 2083497), (13, 1442421), (27, 694499), (39, 480807), (41, 457353), (117, 160269), (123, 152451), (351, 53423), (369, 50817), (533, 35181), (1107, 16939), (1303, 14391), (1599, 11727), (3909, 4797)]