18706548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5179}}^1$

素因数の和:5236

約数の個数: 48

約数和(自身を含む): 51054080

約数和(自身を除く): 32347532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5179, 10358, 15537, 20716, 31074, 36253, 62148, 72506, 108759, 145012, 217518, 222697, 435036, 445394, 668091, 890788, 1336182, 1558879, 2672364, 3117758, 4676637, 6235516, 9353274, 18706548]

約数ペア:

[(1, 18706548), (2, 9353274), (3, 6235516), (4, 4676637), (6, 3117758), (7, 2672364), (12, 1558879), (14, 1336182), (21, 890788), (28, 668091), (42, 445394), (43, 435036), (84, 222697), (86, 217518), (129, 145012), (172, 108759), (258, 72506), (301, 62148), (516, 36253), (602, 31074), (903, 20716), (1204, 15537), (1806, 10358), (3612, 5179)]