19638900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{21821}}^1$

素因数の和:21841

約数の個数: 54

約数和(自身を含む): 61559862

約数和(自身を除く): 41920962

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 21821, 43642, 65463, 87284, 109105, 130926, 196389, 218210, 261852, 327315, 392778, 436420, 545525, 654630, 785556, 981945, 1091050, 1309260, 1636575, 1963890, 2182100, 3273150, 3927780, 4909725, 6546300, 9819450, 19638900]

約数ペア:

[(1, 19638900), (2, 9819450), (3, 6546300), (4, 4909725), (5, 3927780), (6, 3273150), (9, 2182100), (10, 1963890), (12, 1636575), (15, 1309260), (18, 1091050), (20, 981945), (25, 785556), (30, 654630), (36, 545525), (45, 436420), (50, 392778), (60, 327315), (75, 261852), (90, 218210), (100, 196389), (150, 130926), (180, 109105), (225, 87284), (300, 65463), (450, 43642), (900, 21821)]