19529874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11923}}^1$

素因数の和:11951

約数の個数: 48

約数和(自身を含む): 52084032

約数和(自身を除く): 32554158

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 11923, 23846, 35769, 71538, 83461, 107307, 154999, 166922, 214614, 250383, 309998, 464997, 500766, 751149, 929994, 1084993, 1394991, 1502298, 2169986, 2789982, 3254979, 6509958, 9764937, 19529874]

約数ペア:

[(1, 19529874), (2, 9764937), (3, 6509958), (6, 3254979), (7, 2789982), (9, 2169986), (13, 1502298), (14, 1394991), (18, 1084993), (21, 929994), (26, 751149), (39, 500766), (42, 464997), (63, 309998), (78, 250383), (91, 214614), (117, 166922), (126, 154999), (182, 107307), (234, 83461), (273, 71538), (546, 35769), (819, 23846), (1638, 11923)]