18506280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11863}}^1$

素因数の和:11890

約数の個数: 64

約数和(自身を含む): 59794560

約数和(自身を除く): 41288280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11863, 23726, 35589, 47452, 59315, 71178, 94904, 118630, 142356, 154219, 177945, 237260, 284712, 308438, 355890, 462657, 474520, 616876, 711780, 771095, 925314, 1233752, 1423560, 1542190, 1850628, 2313285, 3084380, 3701256, 4626570, 6168760, 9253140, 18506280]

約数ペア:

[(1, 18506280), (2, 9253140), (3, 6168760), (4, 4626570), (5, 3701256), (6, 3084380), (8, 2313285), (10, 1850628), (12, 1542190), (13, 1423560), (15, 1233752), (20, 925314), (24, 771095), (26, 711780), (30, 616876), (39, 474520), (40, 462657), (52, 355890), (60, 308438), (65, 284712), (78, 237260), (104, 177945), (120, 154219), (130, 142356), (156, 118630), (195, 94904), (260, 71178), (312, 59315), (390, 47452), (520, 35589), (780, 23726), (1560, 11863)]