18821120

素因数分解:

$2^{12}\times 5^1\times {\mathrm{919}}^1$

素因数の和:948

約数の個数: 52

約数和(自身を含む): 45214320

約数和(自身を除く): 26393200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 919, 1024, 1280, 1838, 2048, 2560, 3676, 4096, 4595, 5120, 7352, 9190, 10240, 14704, 18380, 20480, 29408, 36760, 58816, 73520, 117632, 147040, 235264, 294080, 470528, 588160, 941056, 1176320, 1882112, 2352640, 3764224, 4705280, 9410560, 18821120]

約数ペア:

[(1, 18821120), (2, 9410560), (4, 4705280), (5, 3764224), (8, 2352640), (10, 1882112), (16, 1176320), (20, 941056), (32, 588160), (40, 470528), (64, 294080), (80, 235264), (128, 147040), (160, 117632), (256, 73520), (320, 58816), (512, 36760), (640, 29408), (919, 20480), (1024, 18380), (1280, 14704), (1838, 10240), (2048, 9190), (2560, 7352), (3676, 5120), (4096, 4595)]