17727988

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{12277}}^1$

素因数の和:12319

約数の個数: 18

約数和(自身を含む): 32745426

約数和(自身を除く): 15017438

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 12277, 24554, 49108, 233263, 466526, 933052, 4431997, 8863994, 17727988]

約数ペア:

[(1, 17727988), (2, 8863994), (4, 4431997), (19, 933052), (38, 466526), (76, 233263), (361, 49108), (722, 24554), (1444, 12277)]