17947984

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:907

約数の個数: 40

約数和(自身を含む): 36783360

約数和(自身を除く): 18835376

約数列:

[1, 2, 4, 8, 16, 29, 47, 58, 94, 116, 188, 232, 376, 464, 752, 823, 1363, 1646, 2726, 3292, 5452, 6584, 10904, 13168, 21808, 23867, 38681, 47734, 77362, 95468, 154724, 190936, 309448, 381872, 618896, 1121749, 2243498, 4486996, 8973992, 17947984]

約数ペア:

[(1, 17947984), (2, 8973992), (4, 4486996), (8, 2243498), (16, 1121749), (29, 618896), (47, 381872), (58, 309448), (94, 190936), (116, 154724), (188, 95468), (232, 77362), (376, 47734), (464, 38681), (752, 23867), (823, 21808), (1363, 13168), (1646, 10904), (2726, 6584), (3292, 5452)]