18826948

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 40606720

約数和(自身を除く): 21779772

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 817, 823, 1204, 1634, 1646, 3268, 3292, 5719, 5761, 11438, 11522, 15637, 22876, 23044, 31274, 35389, 62548, 70778, 109459, 141556, 218918, 247723, 437836, 495446, 672391, 990892, 1344782, 2689564, 4706737, 9413474, 18826948]

約数ペア:

[(1, 18826948), (2, 9413474), (4, 4706737), (7, 2689564), (14, 1344782), (19, 990892), (28, 672391), (38, 495446), (43, 437836), (76, 247723), (86, 218918), (133, 141556), (172, 109459), (266, 70778), (301, 62548), (532, 35389), (602, 31274), (817, 23044), (823, 22876), (1204, 15637), (1634, 11522), (1646, 11438), (3268, 5761), (3292, 5719)]