18344547

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 31606848

約数和(自身を除く): 13262301

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 401, 663, 897, 1173, 1203, 1989, 2691, 3519, 3609, 5083, 5213, 6817, 9223, 15249, 15639, 20451, 27669, 45747, 46917, 61353, 83007, 88621, 119899, 156791, 265863, 359697, 470373, 797589, 1079091, 1411119, 2038283, 6114849, 18344547]

約数ペア:

[(1, 18344547), (3, 6114849), (9, 2038283), (13, 1411119), (17, 1079091), (23, 797589), (39, 470373), (51, 359697), (69, 265863), (117, 156791), (153, 119899), (207, 88621), (221, 83007), (299, 61353), (391, 46917), (401, 45747), (663, 27669), (897, 20451), (1173, 15639), (1203, 15249), (1989, 9223), (2691, 6817), (3519, 5213), (3609, 5083)]