18838023

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 9362937

約数列:

[1, 3, 17, 29, 47, 51, 87, 141, 271, 493, 799, 813, 1363, 1479, 2397, 4089, 4607, 7859, 12737, 13821, 23171, 23577, 38211, 69513, 133603, 216529, 369373, 400809, 649587, 1108119, 6279341, 18838023]

約数ペア:

[(1, 18838023), (3, 6279341), (17, 1108119), (29, 649587), (47, 400809), (51, 369373), (87, 216529), (141, 133603), (271, 69513), (493, 38211), (799, 23577), (813, 23171), (1363, 13821), (1479, 12737), (2397, 7859), (4089, 4607)]