19556340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{325939}}^1$

素因数の和:325951

約数の個数: 24

約数和(自身を含む): 54757920

約数和(自身を除く): 35201580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 325939, 651878, 977817, 1303756, 1629695, 1955634, 3259390, 3911268, 4889085, 6518780, 9778170, 19556340]

約数ペア:

[(1, 19556340), (2, 9778170), (3, 6518780), (4, 4889085), (5, 3911268), (6, 3259390), (10, 1955634), (12, 1629695), (15, 1303756), (20, 977817), (30, 651878), (60, 325939)]