19306287

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2143}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 37459968

約数和(自身を除く): 18153681

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2143, 3003, 6429, 9009, 15001, 19287, 23573, 27859, 45003, 70719, 83577, 135009, 165011, 195013, 212157, 250731, 306449, 495033, 585039, 919347, 1485099, 1755117, 2145143, 2758041, 6435429, 19306287]

約数ペア:

[(1, 19306287), (3, 6435429), (7, 2758041), (9, 2145143), (11, 1755117), (13, 1485099), (21, 919347), (33, 585039), (39, 495033), (63, 306449), (77, 250731), (91, 212157), (99, 195013), (117, 165011), (143, 135009), (231, 83577), (273, 70719), (429, 45003), (693, 27859), (819, 23573), (1001, 19287), (1287, 15001), (2143, 9009), (3003, 6429)]