18180816

素因数分解:

$2^4\times 3^1\times {\mathrm{521}}^1\times {\mathrm{727}}^1$

素因数の和:1259

約数の個数: 40

約数和(自身を含む): 47121984

約数和(自身を除く): 28941168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 521, 727, 1042, 1454, 1563, 2084, 2181, 2908, 3126, 4168, 4362, 5816, 6252, 8336, 8724, 11632, 12504, 17448, 25008, 34896, 378767, 757534, 1136301, 1515068, 2272602, 3030136, 4545204, 6060272, 9090408, 18180816]

約数ペア:

[(1, 18180816), (2, 9090408), (3, 6060272), (4, 4545204), (6, 3030136), (8, 2272602), (12, 1515068), (16, 1136301), (24, 757534), (48, 378767), (521, 34896), (727, 25008), (1042, 17448), (1454, 12504), (1563, 11632), (2084, 8724), (2181, 8336), (2908, 6252), (3126, 5816), (4168, 4362)]