18686283

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1973}}^1$

素因数の和:2035

約数の個数: 32

約数和(自身を含む): 31836672

約数和(自身を除く): 13150389

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 1973, 3157, 5919, 9471, 13811, 21703, 41433, 65109, 80893, 151921, 242679, 455763, 566251, 889823, 1698753, 2669469, 6228761, 18686283]

約数ペア:

[(1, 18686283), (3, 6228761), (7, 2669469), (11, 1698753), (21, 889823), (33, 566251), (41, 455763), (77, 242679), (123, 151921), (231, 80893), (287, 65109), (451, 41433), (861, 21703), (1353, 13811), (1973, 9471), (3157, 5919)]