19018720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16981}}^1$

素因数の和:17003

約数の個数: 48

約数和(自身を含む): 51353568

約数和(自身を除く): 32334848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16981, 33962, 67924, 84905, 118867, 135848, 169810, 237734, 271696, 339620, 475468, 543392, 594335, 679240, 950936, 1188670, 1358480, 1901872, 2377340, 2716960, 3803744, 4754680, 9509360, 19018720]

約数ペア:

[(1, 19018720), (2, 9509360), (4, 4754680), (5, 3803744), (7, 2716960), (8, 2377340), (10, 1901872), (14, 1358480), (16, 1188670), (20, 950936), (28, 679240), (32, 594335), (35, 543392), (40, 475468), (56, 339620), (70, 271696), (80, 237734), (112, 169810), (140, 135848), (160, 118867), (224, 84905), (280, 67924), (560, 33962), (1120, 16981)]