19963620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110909}}^1$

素因数の和:110924

約数の個数: 36

約数和(自身を含む): 60556860

約数和(自身を除く): 40593240

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110909, 221818, 332727, 443636, 554545, 665454, 998181, 1109090, 1330908, 1663635, 1996362, 2218180, 3327270, 3992724, 4990905, 6654540, 9981810, 19963620]

約数ペア:

[(1, 19963620), (2, 9981810), (3, 6654540), (4, 4990905), (5, 3992724), (6, 3327270), (9, 2218180), (10, 1996362), (12, 1663635), (15, 1330908), (18, 1109090), (20, 998181), (30, 665454), (36, 554545), (45, 443636), (60, 332727), (90, 221818), (180, 110909)]