18918032

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3187}}^1$

素因数の和:3255

約数の個数: 40

約数和(自身を含む): 42693696

約数和(自身を除く): 23775664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3187, 5936, 6374, 12748, 22309, 25496, 44618, 50992, 89236, 168911, 178472, 337822, 356944, 675644, 1182377, 1351288, 2364754, 2702576, 4729508, 9459016, 18918032]

約数ペア:

[(1, 18918032), (2, 9459016), (4, 4729508), (7, 2702576), (8, 2364754), (14, 1351288), (16, 1182377), (28, 675644), (53, 356944), (56, 337822), (106, 178472), (112, 168911), (212, 89236), (371, 50992), (424, 44618), (742, 25496), (848, 22309), (1484, 12748), (2968, 6374), (3187, 5936)]