19258876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 41868736

約数和(自身を除く): 22609860

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 337, 364, 628, 674, 1099, 1348, 2041, 2198, 2359, 4082, 4381, 4396, 4718, 8164, 8762, 9436, 14287, 17524, 28574, 30667, 52909, 57148, 61334, 105818, 122668, 211636, 370363, 687817, 740726, 1375634, 1481452, 2751268, 4814719, 9629438, 19258876]

約数ペア:

[(1, 19258876), (2, 9629438), (4, 4814719), (7, 2751268), (13, 1481452), (14, 1375634), (26, 740726), (28, 687817), (52, 370363), (91, 211636), (157, 122668), (182, 105818), (314, 61334), (337, 57148), (364, 52909), (628, 30667), (674, 28574), (1099, 17524), (1348, 14287), (2041, 9436), (2198, 8762), (2359, 8164), (4082, 4718), (4381, 4396)]