19556613

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 31000320

約数和(自身を除く): 11443707

約数列:

[1, 3, 9, 17, 27, 51, 137, 153, 311, 411, 459, 933, 1233, 2329, 2799, 3699, 5287, 6987, 8397, 15861, 20961, 42607, 47583, 62883, 127821, 142749, 383463, 724319, 1150389, 2172957, 6518871, 19556613]

約数ペア:

[(1, 19556613), (3, 6518871), (9, 2172957), (17, 1150389), (27, 724319), (51, 383463), (137, 142749), (153, 127821), (311, 62883), (411, 47583), (459, 42607), (933, 20961), (1233, 15861), (2329, 8397), (2799, 6987), (3699, 5287)]