18340620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17981}}^1$

素因数の和:18010

約数の個数: 48

約数和(自身を含む): 54377568

約数和(自身を除く): 36036948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 17981, 35962, 53943, 71924, 89905, 107886, 179810, 215772, 269715, 305677, 359620, 539430, 611354, 917031, 1078860, 1222708, 1528385, 1834062, 3056770, 3668124, 4585155, 6113540, 9170310, 18340620]

約数ペア:

[(1, 18340620), (2, 9170310), (3, 6113540), (4, 4585155), (5, 3668124), (6, 3056770), (10, 1834062), (12, 1528385), (15, 1222708), (17, 1078860), (20, 917031), (30, 611354), (34, 539430), (51, 359620), (60, 305677), (68, 269715), (85, 215772), (102, 179810), (170, 107886), (204, 89905), (255, 71924), (340, 53943), (510, 35962), (1020, 17981)]