18255580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6863}}^1$

素因数の和:6898

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 27870500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6863, 13726, 27452, 34315, 48041, 68630, 96082, 130397, 137260, 192164, 240205, 260794, 480410, 521588, 651985, 912779, 960820, 1303970, 1825558, 2607940, 3651116, 4563895, 9127790, 18255580]

約数ペア:

[(1, 18255580), (2, 9127790), (4, 4563895), (5, 3651116), (7, 2607940), (10, 1825558), (14, 1303970), (19, 960820), (20, 912779), (28, 651985), (35, 521588), (38, 480410), (70, 260794), (76, 240205), (95, 192164), (133, 137260), (140, 130397), (190, 96082), (266, 68630), (380, 48041), (532, 34315), (665, 27452), (1330, 13726), (2660, 6863)]