18361785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 16474695

約数列:

[1, 3, 5, 13, 15, 17, 29, 39, 51, 65, 85, 87, 145, 191, 195, 221, 255, 377, 435, 493, 573, 663, 955, 1105, 1131, 1479, 1885, 2465, 2483, 2865, 3247, 3315, 5539, 5655, 6409, 7395, 7449, 9741, 12415, 16235, 16617, 19227, 27695, 32045, 37245, 42211, 48705, 72007, 83085, 94163, 96135, 126633, 211055, 216021, 282489, 360035, 470815, 633165, 1080105, 1224119, 1412445, 3672357, 6120595, 18361785]

約数ペア:

[(1, 18361785), (3, 6120595), (5, 3672357), (13, 1412445), (15, 1224119), (17, 1080105), (29, 633165), (39, 470815), (51, 360035), (65, 282489), (85, 216021), (87, 211055), (145, 126633), (191, 96135), (195, 94163), (221, 83085), (255, 72007), (377, 48705), (435, 42211), (493, 37245), (573, 32045), (663, 27695), (955, 19227), (1105, 16617), (1131, 16235), (1479, 12415), (1885, 9741), (2465, 7449), (2483, 7395), (2865, 6409), (3247, 5655), (3315, 5539)]