19818780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330313}}^1$

素因数の和:330325

約数の個数: 24

約数和(自身を含む): 55492752

約数和(自身を除く): 35673972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330313, 660626, 990939, 1321252, 1651565, 1981878, 3303130, 3963756, 4954695, 6606260, 9909390, 19818780]

約数ペア:

[(1, 19818780), (2, 9909390), (3, 6606260), (4, 4954695), (5, 3963756), (6, 3303130), (10, 1981878), (12, 1651565), (15, 1321252), (20, 990939), (30, 660626), (60, 330313)]