189343908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 108

約数和(自身を含む): 533864604

約数和(自身を除く): 344520696

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 421, 468, 558, 806, 842, 961, 1116, 1209, 1263, 1612, 1684, 1922, 2418, 2526, 2883, 3627, 3789, 3844, 4836, 5052, 5473, 5766, 7254, 7578, 8649, 10946, 11532, 12493, 13051, 14508, 15156, 16419, 17298, 21892, 24986, 26102, 32838, 34596, 37479, 39153, 49257, 49972, 52204, 65676, 74958, 78306, 98514, 112437, 117459, 149916, 156612, 169663, 197028, 224874, 234918, 339326, 404581, 449748, 469836, 508989, 678652, 809162, 1017978, 1213743, 1526967, 1618324, 2035956, 2427486, 3053934, 3641229, 4854972, 5259553, 6107868, 7282458, 10519106, 14564916, 15778659, 21038212, 31557318, 47335977, 63114636, 94671954, 189343908]

約数ペア:

[(1, 189343908), (2, 94671954), (3, 63114636), (4, 47335977), (6, 31557318), (9, 21038212), (12, 15778659), (13, 14564916), (18, 10519106), (26, 7282458), (31, 6107868), (36, 5259553), (39, 4854972), (52, 3641229), (62, 3053934), (78, 2427486), (93, 2035956), (117, 1618324), (124, 1526967), (156, 1213743), (186, 1017978), (234, 809162), (279, 678652), (372, 508989), (403, 469836), (421, 449748), (468, 404581), (558, 339326), (806, 234918), (842, 224874), (961, 197028), (1116, 169663), (1209, 156612), (1263, 149916), (1612, 117459), (1684, 112437), (1922, 98514), (2418, 78306), (2526, 74958), (2883, 65676), (3627, 52204), (3789, 49972), (3844, 49257), (4836, 39153), (5052, 37479), (5473, 34596), (5766, 32838), (7254, 26102), (7578, 24986), (8649, 21892), (10946, 17298), (11532, 16419), (12493, 15156), (13051, 14508)]