18877768

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25931}}^1$

素因数の和:25957

約数の個数: 32

約数和(自身を含む): 43565760

約数和(自身を除く): 24687992

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 25931, 51862, 103724, 181517, 207448, 337103, 363034, 674206, 726068, 1348412, 1452136, 2359721, 2696824, 4719442, 9438884, 18877768]

約数ペア:

[(1, 18877768), (2, 9438884), (4, 4719442), (7, 2696824), (8, 2359721), (13, 1452136), (14, 1348412), (26, 726068), (28, 674206), (52, 363034), (56, 337103), (91, 207448), (104, 181517), (182, 103724), (364, 51862), (728, 25931)]