18639837

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4201}}^1$

素因数の和:4253

約数の個数: 24

約数和(自身を含む): 29498040

約数和(自身を除く): 10858203

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4201, 4437, 12603, 37809, 71417, 121829, 214251, 365487, 642753, 1096461, 2071093, 6213279, 18639837]

約数ペア:

[(1, 18639837), (3, 6213279), (9, 2071093), (17, 1096461), (29, 642753), (51, 365487), (87, 214251), (153, 121829), (261, 71417), (493, 37809), (1479, 12603), (4201, 4437)]