19756215

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9341}}^1$

素因数の和:9399

約数の個数: 24

約数和(自身を含む): 34976448

約数和(自身を除く): 15220233

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9341, 28023, 46705, 84069, 140115, 420345, 439027, 1317081, 2195135, 3951243, 6585405, 19756215]

約数ペア:

[(1, 19756215), (3, 6585405), (5, 3951243), (9, 2195135), (15, 1317081), (45, 439027), (47, 420345), (141, 140115), (235, 84069), (423, 46705), (705, 28023), (2115, 9341)]