19868926

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 38572128

約数和(自身を除く): 18703202

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 121, 154, 242, 259, 317, 407, 518, 634, 814, 847, 1694, 2219, 2849, 3487, 4438, 4477, 5698, 6974, 8954, 11729, 23458, 24409, 31339, 38357, 48818, 62678, 76714, 82103, 129019, 164206, 258038, 268499, 536998, 903133, 1419209, 1806266, 2838418, 9934463, 19868926]

約数ペア:

[(1, 19868926), (2, 9934463), (7, 2838418), (11, 1806266), (14, 1419209), (22, 903133), (37, 536998), (74, 268499), (77, 258038), (121, 164206), (154, 129019), (242, 82103), (259, 76714), (317, 62678), (407, 48818), (518, 38357), (634, 31339), (814, 24409), (847, 23458), (1694, 11729), (2219, 8954), (2849, 6974), (3487, 5698), (4438, 4477)]