19482255

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 39553920

約数和(自身を除く): 20071665

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 459, 585, 653, 663, 765, 1105, 1755, 1959, 1989, 2295, 3265, 3315, 5877, 5967, 8489, 9795, 9945, 11101, 17631, 25467, 29385, 29835, 33303, 42445, 55505, 76401, 88155, 99909, 127335, 144313, 166515, 229203, 299727, 382005, 432939, 499545, 721565, 1146015, 1298817, 1498635, 2164695, 3896451, 6494085, 19482255]

約数ペア:

[(1, 19482255), (3, 6494085), (5, 3896451), (9, 2164695), (13, 1498635), (15, 1298817), (17, 1146015), (27, 721565), (39, 499545), (45, 432939), (51, 382005), (65, 299727), (85, 229203), (117, 166515), (135, 144313), (153, 127335), (195, 99909), (221, 88155), (255, 76401), (351, 55505), (459, 42445), (585, 33303), (653, 29835), (663, 29385), (765, 25467), (1105, 17631), (1755, 11101), (1959, 9945), (1989, 9795), (2295, 8489), (3265, 5967), (3315, 5877)]