19964430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221827}}^1$

素因数の和:221840

約数の個数: 24

約数和(自身を含む): 51907752

約数和(自身を除く): 31943322

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221827, 443654, 665481, 1109135, 1330962, 1996443, 2218270, 3327405, 3992886, 6654810, 9982215, 19964430]

約数ペア:

[(1, 19964430), (2, 9982215), (3, 6654810), (5, 3992886), (6, 3327405), (9, 2218270), (10, 1996443), (15, 1330962), (18, 1109135), (30, 665481), (45, 443654), (90, 221827)]