19853766

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 44304624

約数和(自身を除く): 24450858

約数列:

[1, 2, 3, 6, 9, 18, 83, 97, 137, 166, 194, 249, 274, 291, 411, 498, 582, 747, 822, 873, 1233, 1494, 1746, 2466, 8051, 11371, 13289, 16102, 22742, 24153, 26578, 34113, 39867, 48306, 68226, 72459, 79734, 102339, 119601, 144918, 204678, 239202, 1102987, 2205974, 3308961, 6617922, 9926883, 19853766]

約数ペア:

[(1, 19853766), (2, 9926883), (3, 6617922), (6, 3308961), (9, 2205974), (18, 1102987), (83, 239202), (97, 204678), (137, 144918), (166, 119601), (194, 102339), (249, 79734), (274, 72459), (291, 68226), (411, 48306), (498, 39867), (582, 34113), (747, 26578), (822, 24153), (873, 22742), (1233, 16102), (1494, 13289), (1746, 11371), (2466, 8051)]