19729845

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1447}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 35447040

約数和(自身を除く): 15717195

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 303, 505, 909, 1447, 1515, 2727, 4341, 4545, 7235, 13023, 13635, 21705, 39069, 65115, 146147, 195345, 438441, 730735, 1315323, 2192205, 3945969, 6576615, 19729845]

約数ペア:

[(1, 19729845), (3, 6576615), (5, 3945969), (9, 2192205), (15, 1315323), (27, 730735), (45, 438441), (101, 195345), (135, 146147), (303, 65115), (505, 39069), (909, 21705), (1447, 13635), (1515, 13023), (2727, 7235), (4341, 4545)]