19684480

素因数分解:

$2^7\times 5^1\times {\mathrm{30757}}^1$

素因数の和:30776

約数の個数: 32

約数和(自身を含む): 47059740

約数和(自身を除く): 27375260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30757, 61514, 123028, 153785, 246056, 307570, 492112, 615140, 984224, 1230280, 1968448, 2460560, 3936896, 4921120, 9842240, 19684480]

約数ペア:

[(1, 19684480), (2, 9842240), (4, 4921120), (5, 3936896), (8, 2460560), (10, 1968448), (16, 1230280), (20, 984224), (32, 615140), (40, 492112), (64, 307570), (80, 246056), (128, 153785), (160, 123028), (320, 61514), (640, 30757)]