19207995

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 32208192

約数和(自身を除く): 13000197

約数列:

[1, 3, 5, 15, 37, 53, 111, 159, 185, 265, 555, 653, 795, 1959, 1961, 3265, 5883, 9795, 9805, 24161, 29415, 34609, 72483, 103827, 120805, 173045, 362415, 519135, 1280533, 3841599, 6402665, 19207995]

約数ペア:

[(1, 19207995), (3, 6402665), (5, 3841599), (15, 1280533), (37, 519135), (53, 362415), (111, 173045), (159, 120805), (185, 103827), (265, 72483), (555, 34609), (653, 29415), (795, 24161), (1959, 9805), (1961, 9795), (3265, 5883)]