19747656

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3863}}^1$

素因数の和:3946

約数の個数: 48

約数和(自身を含む): 54250560

約数和(自身を除く): 34502904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 3863, 5112, 7726, 11589, 15452, 23178, 30904, 34767, 46356, 69534, 92712, 139068, 274273, 278136, 548546, 822819, 1097092, 1645638, 2194184, 2468457, 3291276, 4936914, 6582552, 9873828, 19747656]

約数ペア:

[(1, 19747656), (2, 9873828), (3, 6582552), (4, 4936914), (6, 3291276), (8, 2468457), (9, 2194184), (12, 1645638), (18, 1097092), (24, 822819), (36, 548546), (71, 278136), (72, 274273), (142, 139068), (213, 92712), (284, 69534), (426, 46356), (568, 34767), (639, 30904), (852, 23178), (1278, 15452), (1704, 11589), (2556, 7726), (3863, 5112)]