18974601

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 30257280

約数和(自身を除く): 11282679

約数列:

[1, 3, 9, 17, 27, 51, 67, 153, 201, 459, 603, 617, 1139, 1809, 1851, 3417, 5553, 10251, 10489, 16659, 30753, 31467, 41339, 94401, 124017, 283203, 372051, 702763, 1116153, 2108289, 6324867, 18974601]

約数ペア:

[(1, 18974601), (3, 6324867), (9, 2108289), (17, 1116153), (27, 702763), (51, 372051), (67, 283203), (153, 124017), (201, 94401), (459, 41339), (603, 31467), (617, 30753), (1139, 16659), (1809, 10489), (1851, 10251), (3417, 5553)]