18357885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4483}}^1$

素因数の和:4514

約数の個数: 48

約数和(自身を含む): 39172224

約数和(自身を除く): 20814339

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 4483, 13449, 22415, 31381, 40347, 58279, 67245, 94143, 156905, 174837, 201735, 282429, 291395, 407953, 470715, 524511, 874185, 1223859, 1412145, 2039765, 2622555, 3671577, 6119295, 18357885]

約数ペア:

[(1, 18357885), (3, 6119295), (5, 3671577), (7, 2622555), (9, 2039765), (13, 1412145), (15, 1223859), (21, 874185), (35, 524511), (39, 470715), (45, 407953), (63, 291395), (65, 282429), (91, 201735), (105, 174837), (117, 156905), (195, 94143), (273, 67245), (315, 58279), (455, 40347), (585, 31381), (819, 22415), (1365, 13449), (4095, 4483)]