18289791

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{701}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 28619136

約数和(自身を除く): 10329345

約数列:

[1, 3, 9, 13, 39, 117, 223, 669, 701, 2007, 2103, 2899, 6309, 8697, 9113, 26091, 27339, 82017, 156323, 468969, 1406907, 2032199, 6096597, 18289791]

約数ペア:

[(1, 18289791), (3, 6096597), (9, 2032199), (13, 1406907), (39, 468969), (117, 156323), (223, 82017), (669, 27339), (701, 26091), (2007, 9113), (2103, 8697), (2899, 6309)]