18487832

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 38782800

約数和(自身を除く): 20294968

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 121, 142, 242, 269, 284, 484, 538, 568, 781, 968, 1076, 1562, 2152, 2959, 3124, 5918, 6248, 8591, 11836, 17182, 19099, 23672, 32549, 34364, 38198, 65098, 68728, 76396, 130196, 152792, 210089, 260392, 420178, 840356, 1680712, 2310979, 4621958, 9243916, 18487832]

約数ペア:

[(1, 18487832), (2, 9243916), (4, 4621958), (8, 2310979), (11, 1680712), (22, 840356), (44, 420178), (71, 260392), (88, 210089), (121, 152792), (142, 130196), (242, 76396), (269, 68728), (284, 65098), (484, 38198), (538, 34364), (568, 32549), (781, 23672), (968, 19099), (1076, 17182), (1562, 11836), (2152, 8591), (2959, 6248), (3124, 5918)]