18396873

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{643}}^1$

素因数の和:694

約数の個数: 36

約数和(自身を含む): 30842448

約数和(自身を除く): 12445575

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 289, 561, 643, 867, 1683, 1929, 2601, 3179, 5787, 7073, 9537, 10931, 21219, 28611, 32793, 63657, 98379, 120241, 185827, 360723, 557481, 1082169, 1672443, 2044097, 6132291, 18396873]

約数ペア:

[(1, 18396873), (3, 6132291), (9, 2044097), (11, 1672443), (17, 1082169), (33, 557481), (51, 360723), (99, 185827), (153, 120241), (187, 98379), (289, 63657), (561, 32793), (643, 28611), (867, 21219), (1683, 10931), (1929, 9537), (2601, 7073), (3179, 5787)]