18285813

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 14736267

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 83, 91, 117, 249, 269, 273, 581, 747, 807, 819, 1079, 1743, 1883, 2421, 3237, 3497, 5229, 5649, 7553, 9711, 10491, 16947, 22327, 22659, 24479, 31473, 66981, 67977, 73437, 156289, 200943, 220311, 290251, 468867, 870753, 1406601, 2031757, 2612259, 6095271, 18285813]

約数ペア:

[(1, 18285813), (3, 6095271), (7, 2612259), (9, 2031757), (13, 1406601), (21, 870753), (39, 468867), (63, 290251), (83, 220311), (91, 200943), (117, 156289), (249, 73437), (269, 67977), (273, 66981), (581, 31473), (747, 24479), (807, 22659), (819, 22327), (1079, 16947), (1743, 10491), (1883, 9711), (2421, 7553), (3237, 5649), (3497, 5229)]