19624948

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 42474880

約数和(自身を除く): 22849932

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 997, 1036, 1406, 1994, 2812, 3988, 4921, 6979, 9842, 13958, 18943, 19684, 27916, 36889, 37886, 73778, 75772, 132601, 147556, 258223, 265202, 516446, 530404, 700891, 1032892, 1401782, 2803564, 4906237, 9812474, 19624948]

約数ペア:

[(1, 19624948), (2, 9812474), (4, 4906237), (7, 2803564), (14, 1401782), (19, 1032892), (28, 700891), (37, 530404), (38, 516446), (74, 265202), (76, 258223), (133, 147556), (148, 132601), (259, 75772), (266, 73778), (518, 37886), (532, 36889), (703, 27916), (997, 19684), (1036, 18943), (1406, 13958), (1994, 9842), (2812, 6979), (3988, 4921)]