18263180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3697}}^1$

素因数の和:3738

約数の個数: 48

約数和(自身を含む): 43488480

約数和(自身を除く): 25225300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3697, 4940, 7394, 14788, 18485, 36970, 48061, 70243, 73940, 96122, 140486, 192244, 240305, 280972, 351215, 480610, 702430, 913159, 961220, 1404860, 1826318, 3652636, 4565795, 9131590, 18263180]

約数ペア:

[(1, 18263180), (2, 9131590), (4, 4565795), (5, 3652636), (10, 1826318), (13, 1404860), (19, 961220), (20, 913159), (26, 702430), (38, 480610), (52, 351215), (65, 280972), (76, 240305), (95, 192244), (130, 140486), (190, 96122), (247, 73940), (260, 70243), (380, 48061), (494, 36970), (988, 18485), (1235, 14788), (2470, 7394), (3697, 4940)]