18395468

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 40106304

約数和(自身を除く): 21710836

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 182, 194, 364, 388, 521, 679, 1042, 1261, 1358, 2084, 2522, 2716, 3647, 5044, 6773, 7294, 8827, 13546, 14588, 17654, 27092, 35308, 47411, 50537, 94822, 101074, 189644, 202148, 353759, 656981, 707518, 1313962, 1415036, 2627924, 4598867, 9197734, 18395468]

約数ペア:

[(1, 18395468), (2, 9197734), (4, 4598867), (7, 2627924), (13, 1415036), (14, 1313962), (26, 707518), (28, 656981), (52, 353759), (91, 202148), (97, 189644), (182, 101074), (194, 94822), (364, 50537), (388, 47411), (521, 35308), (679, 27092), (1042, 17654), (1261, 14588), (1358, 13546), (2084, 8827), (2522, 7294), (2716, 6773), (3647, 5044)]