19392079120

素因数分解:

$2^4\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{168451}}^1$

素因数の和:169903

約数の個数: 40

約数和(自身を含む): 45118183680

約数和(自身を除く): 25726104560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1439, 2878, 5756, 7195, 11512, 14390, 23024, 28780, 57560, 115120, 168451, 336902, 673804, 842255, 1347608, 1684510, 2695216, 3369020, 6738040, 13476080, 242400989, 484801978, 969603956, 1212004945, 1939207912, 2424009890, 3878415824, 4848019780, 9696039560, 19392079120]

約数ペア:

[(1, 19392079120), (2, 9696039560), (4, 4848019780), (5, 3878415824), (8, 2424009890), (10, 1939207912), (16, 1212004945), (20, 969603956), (40, 484801978), (80, 242400989), (1439, 13476080), (2878, 6738040), (5756, 3369020), (7195, 2695216), (11512, 1684510), (14390, 1347608), (23024, 842255), (28780, 673804), (57560, 336902), (115120, 168451)]