18499509

素因数分解:

$3^4\times 7^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 60

約数和(自身を含む): 33105600

約数和(自身を除く): 14606091

約数列:

[1, 3, 7, 9, 21, 27, 49, 59, 63, 79, 81, 147, 177, 189, 237, 413, 441, 531, 553, 567, 711, 1239, 1323, 1593, 1659, 2133, 2891, 3717, 3871, 3969, 4661, 4779, 4977, 6399, 8673, 11151, 11613, 13983, 14931, 26019, 32627, 33453, 34839, 41949, 44793, 78057, 97881, 104517, 125847, 228389, 234171, 293643, 313551, 377541, 685167, 880929, 2055501, 2642787, 6166503, 18499509]

約数ペア:

[(1, 18499509), (3, 6166503), (7, 2642787), (9, 2055501), (21, 880929), (27, 685167), (49, 377541), (59, 313551), (63, 293643), (79, 234171), (81, 228389), (147, 125847), (177, 104517), (189, 97881), (237, 78057), (413, 44793), (441, 41949), (531, 34839), (553, 33453), (567, 32627), (711, 26019), (1239, 14931), (1323, 13983), (1593, 11613), (1659, 11151), (2133, 8673), (2891, 6399), (3717, 4977), (3871, 4779), (3969, 4661)]