18886527

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 60

約数和(自身を含む): 32443488

約数和(自身を除く): 13556961

約数列:

[1, 3, 9, 11, 27, 33, 41, 47, 81, 99, 121, 123, 141, 297, 363, 369, 423, 451, 517, 891, 1089, 1107, 1269, 1353, 1551, 1927, 3267, 3321, 3807, 4059, 4653, 4961, 5687, 5781, 9801, 12177, 13959, 14883, 17061, 17343, 21197, 36531, 41877, 44649, 51183, 52029, 63591, 133947, 153549, 156087, 190773, 233167, 401841, 460647, 572319, 699501, 1716957, 2098503, 6295509, 18886527]

約数ペア:

[(1, 18886527), (3, 6295509), (9, 2098503), (11, 1716957), (27, 699501), (33, 572319), (41, 460647), (47, 401841), (81, 233167), (99, 190773), (121, 156087), (123, 153549), (141, 133947), (297, 63591), (363, 52029), (369, 51183), (423, 44649), (451, 41877), (517, 36531), (891, 21197), (1089, 17343), (1107, 17061), (1269, 14883), (1353, 13959), (1551, 12177), (1927, 9801), (3267, 5781), (3321, 5687), (3807, 4961), (4059, 4653)]