18732917

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2309}}^1$

素因数の和:2396

約数の個数: 16

約数和(自身を含む): 22915200

約数和(自身を除く): 4182283

約数列:

[1, 7, 19, 61, 133, 427, 1159, 2309, 8113, 16163, 43871, 140849, 307097, 985943, 2676131, 18732917]

約数ペア:

[(1, 18732917), (7, 2676131), (19, 985943), (61, 307097), (133, 140849), (427, 43871), (1159, 16163), (2309, 8113)]