18943548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{9341}}^1$

素因数の和:9374

約数の個数: 36

約数和(自身を含む): 47868408

約数和(自身を除く): 28924860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 9341, 18682, 28023, 37364, 56046, 112092, 121433, 242866, 364299, 485732, 728598, 1457196, 1578629, 3157258, 4735887, 6314516, 9471774, 18943548]

約数ペア:

[(1, 18943548), (2, 9471774), (3, 6314516), (4, 4735887), (6, 3157258), (12, 1578629), (13, 1457196), (26, 728598), (39, 485732), (52, 364299), (78, 242866), (156, 121433), (169, 112092), (338, 56046), (507, 37364), (676, 28023), (1014, 18682), (2028, 9341)]