18977885540

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1\times {\mathrm{13441}}^1$

素因数の和:13988

約数の個数: 48

約数和(自身を含む): 40160824704

約数和(自身を除く): 21182939164

約数列:

[1, 2, 4, 5, 10, 20, 227, 311, 454, 622, 908, 1135, 1244, 1555, 2270, 3110, 4540, 6220, 13441, 26882, 53764, 67205, 70597, 134410, 141194, 268820, 282388, 352985, 705970, 1411940, 3051107, 4180151, 6102214, 8360302, 12204428, 15255535, 16720604, 20900755, 30511070, 41801510, 61022140, 83603020, 948894277, 1897788554, 3795577108, 4744471385, 9488942770, 18977885540]

約数ペア:

[(1, 18977885540), (2, 9488942770), (4, 4744471385), (5, 3795577108), (10, 1897788554), (20, 948894277), (227, 83603020), (311, 61022140), (454, 41801510), (622, 30511070), (908, 20900755), (1135, 16720604), (1244, 15255535), (1555, 12204428), (2270, 8360302), (3110, 6102214), (4540, 4180151), (6220, 3051107), (13441, 1411940), (26882, 705970), (53764, 352985), (67205, 282388), (70597, 268820), (134410, 141194)]