18884043

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 29779200

約数和(自身を除く): 10895157

約数列:

[1, 3, 9, 19, 27, 57, 131, 171, 281, 393, 513, 843, 1179, 2489, 2529, 3537, 5339, 7467, 7587, 16017, 22401, 36811, 48051, 67203, 110433, 144153, 331299, 699409, 993897, 2098227, 6294681, 18884043]

約数ペア:

[(1, 18884043), (3, 6294681), (9, 2098227), (19, 993897), (27, 699409), (57, 331299), (131, 144153), (171, 110433), (281, 67203), (393, 48051), (513, 36811), (843, 22401), (1179, 16017), (2489, 7587), (2529, 7467), (3537, 5339)]