18809718837

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{25303}}^1$

素因数の和:25722

約数の個数: 48

約数和(自身を含む): 31500443520

約数和(自身を除く): 12690724683

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 389, 637, 1167, 1911, 2723, 5057, 8169, 15171, 19061, 25303, 35399, 57183, 75909, 106197, 177121, 247793, 328939, 531363, 743379, 986817, 1239847, 2302573, 3719541, 6907719, 9842867, 16118011, 29528601, 48354033, 68900069, 127957271, 206700207, 383871813, 482300483, 895700897, 1446901449, 2687102691, 6269906279, 18809718837]

約数ペア:

[(1, 18809718837), (3, 6269906279), (7, 2687102691), (13, 1446901449), (21, 895700897), (39, 482300483), (49, 383871813), (91, 206700207), (147, 127957271), (273, 68900069), (389, 48354033), (637, 29528601), (1167, 16118011), (1911, 9842867), (2723, 6907719), (5057, 3719541), (8169, 2302573), (15171, 1239847), (19061, 986817), (25303, 743379), (35399, 531363), (57183, 328939), (75909, 247793), (106197, 177121)]