18391079519

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{3701}}^1$

素因数の和:3991

約数の個数: 32

約数和(自身を含む): 20726461440

約数和(自身を除く): 2335381921

約数列:

[1, 17, 23, 71, 179, 391, 1207, 1633, 3043, 3701, 4117, 12709, 27761, 62917, 69989, 85123, 216053, 262771, 292307, 662479, 1447091, 4467107, 4969219, 6043733, 11262143, 15237017, 47036009, 102743461, 259029289, 799612153, 1081828207, 18391079519]

約数ペア:

[(1, 18391079519), (17, 1081828207), (23, 799612153), (71, 259029289), (179, 102743461), (391, 47036009), (1207, 15237017), (1633, 11262143), (3043, 6043733), (3701, 4969219), (4117, 4467107), (12709, 1447091), (27761, 662479), (62917, 292307), (69989, 262771), (85123, 216053)]