2018207421

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{1787}}^1$

素因数の和:2063

約数の個数: 40

約数和(自身を含む): 3073872384

約数和(自身を除く): 1055664963

約数列:

[1, 3, 9, 27, 73, 81, 191, 219, 573, 657, 1719, 1787, 1971, 5157, 5361, 5913, 13943, 15471, 16083, 41829, 48249, 125487, 130451, 144747, 341317, 376461, 391353, 1023951, 1129383, 1174059, 3071853, 3522177, 9215559, 10566531, 24916141, 27646677, 74748423, 224245269, 672735807, 2018207421]

約数ペア:

[(1, 2018207421), (3, 672735807), (9, 224245269), (27, 74748423), (73, 27646677), (81, 24916141), (191, 10566531), (219, 9215559), (573, 3522177), (657, 3071853), (1719, 1174059), (1787, 1129383), (1971, 1023951), (5157, 391353), (5361, 376461), (5913, 341317), (13943, 144747), (15471, 130451), (16083, 125487), (41829, 48249)]