18694767

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 32356352

約数和(自身を除く): 13661585

約数列:

[1, 3, 7, 13, 21, 31, 39, 47, 91, 93, 141, 217, 273, 329, 403, 611, 651, 987, 1209, 1457, 1833, 2209, 2821, 4277, 4371, 6627, 8463, 10199, 12831, 15463, 18941, 28717, 30597, 46389, 56823, 68479, 86151, 132587, 201019, 205437, 397761, 479353, 603057, 890227, 1438059, 2670681, 6231589, 18694767]

約数ペア:

[(1, 18694767), (3, 6231589), (7, 2670681), (13, 1438059), (21, 890227), (31, 603057), (39, 479353), (47, 397761), (91, 205437), (93, 201019), (141, 132587), (217, 86151), (273, 68479), (329, 56823), (403, 46389), (611, 30597), (651, 28717), (987, 18941), (1209, 15463), (1457, 12831), (1833, 10199), (2209, 8463), (2821, 6627), (4277, 4371)]