18477627820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{263}}^1\times {\mathrm{4177}}^1$

素因数の和:4507

約数の個数: 72

約数和(自身を含む): 40349653344

約数和(自身を除く): 21872025524

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 263, 290, 526, 580, 841, 1052, 1315, 1682, 2630, 3364, 4177, 4205, 5260, 7627, 8354, 8410, 15254, 16708, 16820, 20885, 30508, 38135, 41770, 76270, 83540, 121133, 152540, 221183, 242266, 442366, 484532, 605665, 884732, 1098551, 1105915, 1211330, 2197102, 2211830, 2422660, 3512857, 4394204, 4423660, 5492755, 7025714, 10985510, 14051428, 17564285, 21971020, 31857979, 35128570, 63715958, 70257140, 127431916, 159289895, 318579790, 637159580, 923881391, 1847762782, 3695525564, 4619406955, 9238813910, 18477627820]

約数ペア:

[(1, 18477627820), (2, 9238813910), (4, 4619406955), (5, 3695525564), (10, 1847762782), (20, 923881391), (29, 637159580), (58, 318579790), (116, 159289895), (145, 127431916), (263, 70257140), (290, 63715958), (526, 35128570), (580, 31857979), (841, 21971020), (1052, 17564285), (1315, 14051428), (1682, 10985510), (2630, 7025714), (3364, 5492755), (4177, 4423660), (4205, 4394204), (5260, 3512857), (7627, 2422660), (8354, 2211830), (8410, 2197102), (15254, 1211330), (16708, 1105915), (16820, 1098551), (20885, 884732), (30508, 605665), (38135, 484532), (41770, 442366), (76270, 242266), (83540, 221183), (121133, 152540)]